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Operator
Good afternoon and welcome to the third-quarter 2013 call for investors in Republic Services. Republic Services is traded on the New York Stock Exchange under the symbol RSG. Your hosts for today's call are Don Slager, President and CEO; Glenn Culpepper, CFO; and Ed Lang, Republic's Senior Vice President and Treasurer. Today's call is being recorded and all participants are in listen-only mode. There will be a question-and-answer session following Republic's summary of quarterly earnings. At that time, if you have a question, (Operator Instructions).
It's now my pleasure to turn the call over to Mr. Lang. Good afternoon, Mr. Lang.
Ed Lang - SVP and Treasurer
Good afternoon, Lisa. Welcome and thank you for joining us. This is Ed Lang and I would like to welcome everyone to the Republic Services' third-quarter 2013 conference call. Don Slager, our CEO; Glenn Culpepper, our CFO; and Brian DelGhiaccio, Vice President of Investor Relations, are joining me as we discuss our third-quarter 2013 performance.
Before we get started, I would like to take a moment to remind everyone that some of the information we discuss on today's call contains forward-looking statements, which involve risks and uncertainties, and may be materially different from actual results. Our SEC filings discuss factors that could cause actual results to differ materially from expectations.
The material that we discuss today is time-sensitive. If, in the future, you listen to a rebroadcast or recording of this conference call, you should be sensitive to the date of the original call, which is October 31, 2013. Please note that this call is the property of Republic Services, Inc. Any redistribution, retransmission, or rebroadcast of this call in any form without the express written consent of Republic Services, is strictly prohibited.
I want to point out that our SEC filings, our earnings press release, which includes GAAP reconciliation tables, and a discussion of business activities, along with a recording of this call, are all available on Republic's website at republicservices.com. And, finally, I want to remind you that Republic's management team routinely participates in investor conferences. When presentations are scheduled, the dates and times are posted on our website, along with instructions for listening to the live webcast of the event.
With that, I would like to turn the call over to Don.
Don Slager - President and CEO
Thanks, Ed. We recognize that many of you would like to be with your families this evening, and we really appreciate you joining our call today. We will do our best to get you home on time, so let's begin.
Our third-quarter performance demonstrates our ability to execute our plan and profitably grow our business. Revenues increased approximately 6%, led by strong volume growth, including higher-margin special waste streams. Our EBITDA margin performance of 29.5% reflects a sequential improvement from the first half of the year, consistent with the expectations we communicated on our last earnings call.
I will now discuss some financial and operational highlights. Third-quarter adjusted EPS was $0.55. These results include $0.03 of favorable tax items and $0.02 of reduced environmental costs. Including these items, we expect to achieve the high end of our full-year EPS guidance. Year-to-date, adjusted free cash flow was $469 million. We remain on track to achieve our full-year guidance range of $675 million to $700 million. Core price in the third quarter was 3.4% and our average yield was 1.3%.
Average yield was consistent with the second quarter, even with a sequential stepdown in CPI-based pricing. We experienced better price contribution from the open market to offset the CPI headwind. Q3 volumes increased 2.2%. If you include the extra work day, total volumes were up 2.7%. The key drivers of volume growth were C&D rolloff, National Accounts, and landfill special waste.
Construction activity continues to improve. Temporary rolloff hauls increased 7.4% over the prior year, which reflects the sustained recovery in housing construction. The increase in activity was broad-based, with virtually all of our areas reporting growth in temporary hauls per day. During the quarter, we introduced expanded service offerings to certain National Accounts customers to meet their waste stream needs. We often engage third-party providers to service this work, so it tends to be lower margin business, but is very limited capital requirements.
Growth in natural accounts represented about 20% of our volume increase in the quarter. Landfill special waste volumes were up 5.4% over the prior year, which helped improved our margin performance. On prior calls, we discussed special waste volumes that were deferred. We are now seeing these event-driven jobs get funded, and special waste volumes return to our original expectations.
Landfill MSW is down less than 1%. It is important to note that landfill MSW volume tends to track closely to changes in collection volumes. Q3 recycling facility tons per day increased 7.4% over the prior year. Most of the increases related to recycling facilities that we have been -- that we have added or upgraded over the last three quarters. The year-to-date investment in acquisitions was approximately $60 million. Annual revenue is approximately $45 million at a post-synergy EBITDA multiple of approximately 4.5 times.
These transactions consist of tuck-in acquisitions in existing markets. We anticipate completing our goal of investing $100 million by the end of the year. Approximately 40% of our fleet has completed our one fleet maintenance initiative. And our maintenance cost headwind continues to abate. We expect to have 50% of the fleet completed by mid-2014, at which point we will start realizing benefits.
During the third quarter, we completed our withdrawal from the Central States Pension Fund. This is a significant accomplishment that benefits our Company and our employees. We are happy to report that these 850 employees now participate in financially sound retirement programs. Year-to-date, we returned $469 million to our stockholders. Dividend payments were $255 million, and we repurchased 6.5 million shares for $214 million. Our Board recently approved an additional $650 million to our share repurchase authorization. We now have approximately $760 million remaining, which extends through December 2015.
In summary, we delivered results in line with our expectations. And I want to thank the entire Republic team for their hard work and execution. Glenn and Ed will now discuss our financial performance. Glenn?
Glenn Culpepper - EVP and CFO
Thanks, Don. Third-quarter 2013 revenue was approximately $2.2 billion, an increase of $119 million from the prior year. This 5.8% increase in revenue includes acquisitions of 60 basis points, and reflects the following three components of internal growth -- pricing, volume, and recycled commodities.
First, pricing. We had an average yield growth of 1.3% with positive yield in all lines of business. Third-quarter average yield was consistent sequentially and in line with our expectations. Core price was 3.4%, up 30 basis points sequentially. As a reminder, core price is defined as price increases to customers and changes in fees, excluding fuel recovery, net of price decreases.
We saw an increase in open market pricing in the third quarter, which was offset by CPI-based price resets. Beginning in July, price resets started using the lower CPI from 2012 of 2.1% compared to the first half of the year, which was based on the higher 2011 CPI pricing of 3.2%. Year-to-date, CPI is currently running at approximately 1.5%. Since our price resets tend to lag 12 to 18 months, we will see this lower CPI in our price performance in the second half of 2014. As a result, we expect less price contribution from these contracts next year.
As a reminder, 50% of our revenue has a contractually-based pricing restriction. And approximately 60% of those contracts have index-based price resets. Fuel recovery fees increased 0.5%. Most of this change relates to an increase in the rate charged to recover fuel costs.
Second, third-quarter volumes increased 2.2% year-over-year. The collection business was positive 1.6%, primarily due to an increase in industrial volume. Growth in the industrial line of business was driven by temporary hauls, which were up 7.4% over the prior year. Landfill volumes were positive 2.6%, which includes an increase in landfill special waste of 5.4%. Our landfill MSW volumes were down 70 basis points.
Our defection rate, which reflects the annualized rate of customer turnover, remained stable at approximately 7%. In addition to the volume increase of 2.2%, there was one more workday in the quarter, which contributed an additional 50 basis points of revenue growth.
Third, an increase in commodity sales resulted in a 0.7% increase in revenue. The increase in commodity sales reflects both higher prices for recycled commodities and an increase in the tons sold. Commodity prices increased approximately 8% to an average of $117 per ton in the third quarter, from $108 per ton in the prior year. This represents the average price for all commodity types across all regions.
Third-quarter recycling facility commodity volume of 545,000 tons was up 7.4% from the prior year. Current average commodity prices are approximately $119 per ton. For reference purposes, a $10 per ton change in commodity values equals approximately $0.03 of full-year EPS, which includes the impact on our recycling facility and collection businesses.
Now I will discuss year-over-year margin. Third-quarter 2013 adjusted EBITDA margin was 29.5% compared to 29.8% in the prior year, a decrease of 30 basis points. I will now discuss some specific cost categories. Labor costs increased 30 basis points and maintenance expense increased 20 basis points. These cost increases as a percentage of revenue continue to be impacted by volume growth in the C&D collection business. Sequentially, the margin headwind on these two cost line items was cut in half. This was due, in part, to higher levels of special waste received in the quarter, which had very little incremental labor and maintenance expense. Additionally, we continue to anniversary the elevated levels of maintenance expense as we continue to implement our fleet initiative.
Second, transportation and subcontract costs increased 40 basis points, which relates primarily to growth in our National Accounts business and incremental special waste volume. In the National Accounts business, we employ subcontractors to perform a portion of the work. The costs are a pass-through on these contracts. While incremental EBITDA margin on this work can be in the low to middle-single digit range, this work generates additional free cash flow, and has attractive returns, since it has very limited capital requirements.
For special waste, there is often additional third-party transportation to deliver the volumes to our landfills.
Next, fuel. The 40 basis point improvement primarily relates to a higher percentage of natural gas trucks in our fleet. Currently, about 11% of our fleet runs on natural gas. We will continue to replace diesel trucks with natural gas vehicles where appropriate, and as part of our normal truck replacement cycle. The average price per gallon of diesel decreased to $3.91 in the third quarter from $3.94 in the prior year, a decrease of approximately 1%. The current average diesel price is approximately $3.87 per gallon.
For reference purposes, a $0.20 change in diesel fuel per gallon is about $0.01 of full-year EPS, which includes the impact of our fuel recovery fees and fuel hedges. Landfill operating costs improved 60 basis points. Approximately 50 basis points of the change relates to successfully permitting a new solution for a remediation project in Illinois. As Don mentioned, this provided a $0.02 EPS benefit in the quarter.
Finally, SG&A expense was 9.7% of revenue, an increase of 20 basis points compared to the prior year. Both periods contained adjustments to incentive compensation accruals, which reduced SG&A below 10%. DD&A as a percentage of revenue was 11.2% in the third quarter of 2013 versus 10.9% in the prior year. The prior year included a benefit related to landfill expansions. DD&A is higher than capital expenditures as a percentage of revenue, due to the amortization of intangibles.
Ed will now discuss interest expense, free cash flow, and selected balance sheet data.
Ed Lang - SVP and Treasurer
Thanks, Glenn. Third-quarter 2013 interest expense was $90 million, which included $12 million of non-cash amortization. Our third-quarter 2013 effective tax rate of 35.2% was favorably impacted by realizing additional federal and state credits on our 2012 tax returns. As Don mentioned earlier, this provided a $0.03 EPS benefit in the third quarter versus our expectations.
Looking forward to 2014, we expect to return to our normal statutory effective tax rate of approximately 39.5%. Our estimated full-year 2013 effective tax rate is approximately 36.5%, which assumes a 39.5% rate in the fourth quarter. The increase in tax rate creates a $0.10 EPS headwind year-over-year. Year-to-date, adjusted free cash flow was $469 million and in line with our expectations. Adjusted free cash flow included net capital expenditures of $689 million, or 83% of our projected full-year spend.
Cash flow can vary quarter to quarter, based on the timing of capital expenditures and working capital. With the expiration of bonus depreciation at the end of 2013, we expect an increase in cash taxes next year. We have not completed our annual planning process, but we anticipate free cash flow will be relatively flat in 2014.
I will now discuss the balance sheet. At September 30, our accounts receivable balance was $907 million, and our days sales outstanding was 38 days, or 25 days net of deferred revenue. Reported debt was approximately $7 billion at September 30, and excess availability under our bank facility was approximately $1.5 billion.
I will now turn the call back to Don.
Don Slager - President and CEO
Thanks, Ed. Before we go to Q&A, I would like to address some topics discussed this afternoon in further detail. Glenn discussed that CPI-based pricing will be lower in 2014. We expect to offset this headwind with higher levels of price contribution from our open markets, and improve price performance when renewing municipal contracts. We currently anticipate that yield in 2014 will be consistent with current levels.
In order to drive better open market pricing, we are improving pricing decisions made by our sales team at the point of sale, enhancing controls for new business sales and service level transactions, better aligning sales incentive programs to drive improved quality of revenue, identifying customer segments and focusing on those willing to pay for our higher quality service offering, and increasing fee participation rates in our cost recovery programs.
I would like to discuss current business conditions and market trends. Business conditions continue to improve. We will enter 2014 with positive yield and positive volume performance. This is the first time this will occur since 2007. Core price was 3.4% in the quarter, the highest level of performance in over two years. We consistently raise prices across each of our businesses. Over the last several years, our landfill MSW volumes have declined as a result of our pricing actions. We have consistently priced our landfill assets because they are capital intensive and expensive to operate.
Our collection volume growth was concentrated in the industrial business, which includes temporary rolloff. Volumes in this business grew over 4% and yield was up over 2%. Margin in the industrial business improved 90 basis points in the quarter. This demonstrates our ability to achieve volume growth at higher prices. Generally speaking, there was a high correlation between collection and landfill volumes. In our business, commercial and residential volumes were up less than 1% combined, and landfill MSW volumes were essentially flat. At the same time, C&D volumes in the collection and landfill businesses were both up high-single digits in the quarter.
Recycling continues to grow and remains one of our core service offerings. Our recycling business has generally performed in line with our expectations. However, we have experienced higher cost and reduced volumes as a result of operation Green Fence. Future investment in this line of this business will be driven by customer demand, willingness to pay, and return on invested capital. Our near-term plan is to focus on operating recent investments and leveraging our third-party network.
We continue to manage the controllable aspects of our business to help mitigate cost increases, including automating residential routes to reduce labor costs and improve productivity, lowering our cost of fuel and reducing emissions through conversion to CNG vehicles, and standardizing maintenance practices and processes to reduce costs. Collectively, we anticipate these initiatives will lower our cost structure by 75 to 100 basis points over the next three years. As a result of our maintenance initiative, we expect that we can effectively extend the useful life of our fleet by approximately one year, once the majority of the vehicles have been certified. We estimate this will reduce future capital requirements by approximately $200 million, spread over a four- to five-year period, beginning as early as 2015.
Looking to 2014, we anticipate our normal mid to high-single-digit growth in earnings and free cash flow performance before taking into account two tax related items that will partially offset this level of performance. First, an increase in the effective tax rate, which results in a $0.10 EPS headwind; and, second, the expiration of bonus depreciation, which reduces free cash flow by approximately $50 million. Expected earnings growth in the business, together with tighter controls on capital spending, gives us confidence that we can offset the cash tax headwind from bonus depreciation in 2014.
Our long-term view of the business and strength of our assets has not changed. We still believe that pricing levels exceed cost inflation under normal business conditions; that we gain operating leverage and increased density with broad-based volume growth. We can differentiate our service offerings through superior customer service, world-class safety, and employee engagement. We can maintain our pace of tuck-in acquisitions in existing markets. Margins can expand through cost efficiencies, productivity improvements, and leveraging SG&A expenses. And, finally, ROIC can steadily improve through earnings growth, capital spending controls, and investing wisely in the business.
Our team remains focused on executing our strategy to deliver consistent earnings and cash flow growth. We are committed to an efficient capital structure, maintaining our investment grade rating, and increasing cash returns to our stockholders.
At this time, operator, I would like to open the call for questions.
Operator
(Operator Instructions) Hamzah Mazari, Credit Suisse.
Hamzah Mazari - Analyst
The first question is just on volume. Has your strategy changed at all in terms of going after new business now that you're seeing volumes begin to get better? Or how should we think about volume strategy now versus last year when volumes were shrinking? Has there been any change?
Don Slager - President and CEO
No, there really hasn't. Let me walk you through that. Because when we think about volume, we've got to look at it through several different lenses, Hamzah. The first one is on the landfill side.
As I said in my comments, we've consistently lost landfill MSW volume over the last three years. So we have consistently priced those assets because of the high cost nature of those landfills, and we consistently lost volume for the last several years. And so -- and, by, frankly, a substantial amount. So while we continue to price even in light of that landfill volume loss, and those volumes leaving our system and going to other landfills.
On the collection side of the business, we made a point -- it was a couple of years ago -- with the fact that there wasn't a lot of organic growth, and CPI was low and so on, that we weren't going to surrender our high quality business during that time, and we were going to really hold the line on our volume. And we've done that. As volume has returned, again we're really only seeing organic volume growth in a couple of places. And we mentioned National Accounts, C&D, rolloffs specifically, and special waste has gotten better over the last quarter.
So, as special waste comes in at pretty good margin. As I mentioned in my comments, we've seen really nice growth in the rolloff system, and we've seen not only volume growth, but we've seen pricing improvements. And we've seen margin enhancement at the same time. So, we're proving that we can improve both volume and price and margin in that system with that kind of growth.
So -- and we've been saying for a long time, we think when the economy returns, we are going to see it start with housing formation in the construction. At some point, that's going to convert into business formation and, hopefully, we might see some change in service increases and so forth, business formation in the commercial lines. And we'd like to see that same performance happen.
But we consistently price our business across all lines of business, as I've said. Again, we're not walking away from good business, but I think we have demonstrated our willingness to hold the line at the landfill because of the nature of that asset. And, also, we've walked away from some substantial municipal business this year. And we just couldn't get down in the trenches and lower our prices as much as the competition could. So we're going to see some headwind from that in 2014.
Hamzah Mazari - Analyst
Got you. Very helpful. And just a follow-up. You mentioned tax, when we think about next year's earnings. You talked about price on lower CPI when we think about next year. Anything on the cost side that we should keep in mind, in terms of nonrecurring or something that's different next year relative to this year?
Don Slager - President and CEO
No. Not really. We mentioned -- we're going to continue the major cost initiatives we talk about -- the automation, the CNG conversion. The maintenance initiative, we've slowed that down here in the latter half of 2014 -- or 2013, I'm sorry. So we haven't rolled out any new divisions on one fleet. We've talked about that cost abating year-over-year. We're going to go back and shore up all those divisions that have already gone through the process and get those certified.
Ultimately, then, we're going to see that benefit I talked about in the capital spend in our truck fleet out in 2015. But nothing other than that. We're sticking to those projects and we think they've have got good returns.
Hamzah Mazari - Analyst
Thanks a lot. Appreciate it.
Operator
Al Kaschalk, Wedbush Securities.
Al Kaschalk - Analyst
Happy Halloween to the team there. In terms of the pricing data, could you talk about the benefit on the recovery, if you will, from open market business? I mean, how much that helped? Maybe it was a swing of the volume. Because yield actually -- I mean, it came in line where we were looking for, but it seemed like maybe it benefited from special waste. I just wanted to hear your thoughts on the pricing environment.
Don Slager - President and CEO
Yes. Special waste was our -- probably our brightest spot in the quarter, having seen that volume come back after kind of a slow Q2. But we did get a little more ground covered in the open market on pricing. Keep in mind, Al, we've got 7% defection in our permanent commercial and permanent rolloff business in an open market. And so as that business leaves the system and we have to replace it -- and, again, we replaced that business to keep our volumes consistent -- and that new business comes in at a lower than average price. The business that leaves the system leaves at a higher than average price. And that's churn. Right?
So that's consistent. It's not a new phenomenon. We've seen it for many years. It's good that it's held stable at 7%, so we are happy about that. Meanwhile, with the slow CPI environment, we've gone into that open market, and we have tried to get just a little more pricing in that open market. And we've been pretty successful with it. But it's really on the margin. So that's helped us offset this effect of low CPI. And we've been in a low CPI environment now for three years, and it isn't like we're going to have any relief from that for at least a year or two.
Al Kaschalk - Analyst
That's helpful. So if I think about the lag in CPI, I think about the benefit of volume, to me, the headwind here is how are you going to compensate for the price discrepancy between cost inflation and your ability to get price? And, while you probably won't comment on it, is the headwind here several quarters, in your mind? Or how would you maybe characterize that framing in that light?
Don Slager - President and CEO
Well, you've got a couple of questions in there, Al. The headwind from CPI is real. Our true inflation, net of all the productivity, is a little better than that, a little stronger than that. So we've got to continue to hold the line on the quality volume we have. We've got to get a little more creative in other areas of pricing. And I mentioned in my comments, we are working on some initiatives within the sales organization to improve pricing at the point of sale, to see if we can continue to improve fleet participation.
There is a number of those things we'll continue to do in 2014 to try to tweak a little more price out of the system in the open market that -- where we're not restricted, based on the CPI. So we've got our work cut out for us there, but we've got some new tools we're putting to work. We made some investments in some software to expand the capability of our pricing tool, and we think we will get some better control and a better outcome.
Al Kaschalk - Analyst
I'll hop back in queue.
Operator
Michael Hoffman, Wunderlich.
Michael Hoffman - Analyst
Thank you for the pleasant treat on trick-or-treat day with the quarter. Commercial sales, the revenue growth year-over-year seems very healthy. It's calculated at 4.3%. And I'm trying to weave through some of your comments, Don. How much of that is where you're winning new business or incrementally your defection rate? Or is it just price? I'm not hearing that there is much volume. You said that basically volume was, for all intents and purposes, flat to 1%. So (multiple speakers) --
Don Slager - President and CEO
Yes. The commercial volume, Michael, is only about 1%. What we -- we won some new contracts, some new franchise contracts, I guess, that have more commercial business than them. So that's -- outside of those wins, just normal commercial growth coming in about that 1% range.
Michael Hoffman - Analyst
Okay. So -- but the 4.3%, then, that's pretty healthy. I mean, an underlying trend there, right. So what I was trying to understand is, are we getting service interval upgrades yet? Is that what's working (multiple speakers) --?
Don Slager - President and CEO
No. I'm not sure where your 4.3% is coming from, because it's --
Michael Hoffman - Analyst
Well, unless I did my math wrong. It's [659] divided by [632] is a 4.3% growth rate year-over-year.
Don Slager - President and CEO
Yes. So help me out, guys. 1% volume. Yes, so Michael, we've got -- the average yield in the commercial business is about 1.6%. You've got the 1% volume and then we have increases in the [furb] as we talked about. (multiple speakers)
Michael Hoffman - Analyst
Okay. (multiple speakers) Service upgrades. So that's a nice trend to be seeing is you're getting some service upgrades.
Don Slager - President and CEO
Yes. We're starting to see it. So again, for a couple quarters now in a row, service increases are outweighing service decreases. So I think that's -- it's nice to say that for the first time that we have seen that for two quarters straight. So we are not declaring victory there yet because it is coming back pretty slowly, but all those trends are kind of pointing in the right direction.
(multiple speakers) And, again, like I talked about in the rolloff business, we had this trend of seeing volume come back and roll off, and seeing pricing take traction and roll off. As we see more organic volume in commercial and see some service increases coming back, that will help drive the margin in that business for us as well in upcoming years.
Michael Hoffman - Analyst
Okay. And if I could ask the last person's question a little bit differently. When do you think, timewise, is it in a year, in quarters, that you cover your inflation with price -- the reported price that you (technical difficulty) -- you call it yield. When do we cover inflation?
Don Slager - President and CEO
Well, again, let's do a little history lesson here, right. If we go back to 2006 to 2009, our yield exceeded our cost inflation because we had this sort of average 3.3% CPI environment. Okay? The last three years we have had an average 1.6% CPI environment and we've had to struggle doing that. So, we know that at least next year, our CPI is going to be 1.5%. So we don't see much relief coming in 2014.
And then we know it's this 18 month lag, so we've got that going for us. Okay? So the strategy still works, the approach we have taken still works. We need to stay vigilant on these cost initiatives we have deployed so far, need to execute those well. When you get anniversarying this one fleet initiative in the next year, that will start to help us. And -- but then it really all depends, really, Michael, on (technical difficulty) from there, right?
And so what's really going on in this open market? And can we get a little more advantage there? And then it's going to matter what happens with landfill pricing. Again, we have lost landfill volume consistently every year for years. And that landfill volume has found a cheaper home and it's going to matter to see what happens there.
Michael Hoffman - Analyst
Okay. Thank you very much. And again, congratulations on a good quarter.
Operator
Corey Greendale, First Analysis.
Corey Greendale - Analyst
Appreciate all of the thoughts around 2014 and beyond. I was hoping you might be able to frame how we should be thinking about volume. And understanding that there is a lot of variables. But given that you are starting to see the service increased levels, should we be thinking that, as that increases, you see accelerated volume growth in 2013 -- in 2014? Or is it more that you've got a strong special waste quarter this quarter. Last quarter, you had wet volumes, so that we should be thinking about tough comps and maybe slower volume growth in 2014?
Don Slager - President and CEO
Yes. We're not giving 2014 guidance, Corey. But we're trying to help you guys understand the exit speed here. We've had some inflection with special waste, which was positive. Again, this inflection in industrial rolloff is a very positive sign. So that's something that we can put a stake in the ground on and see continued benefit from.
It's a little too early to talk about when commercial is really going to take off for us. This very slightly positive trend in service increases, again, is very slightly positive, and we'll see where it goes. We still have headwinds in residential. We have seen a lot of price pressure in residential. We have had to take some rollbacks. We're going to take a stronger position on those rollbacks in 2014, we think. But we've got still a substantial book of business that's coming for renewal, and we have seen some real competitive behavior there. And we've had to walk away from some business.
So that is going to cause a little drag on us. So we are still doing our business plan, and we are still working through all these things. And we'll bring you the full-blown guidance in February, like we always do.
Corey Greendale - Analyst
Okay. I appreciate that. And you mentioned some pricing initiatives or you were thinking about pricing different ways. Your larger competitor talked about some stuff they are thinking -- or doing differently in how they're structuring their recycling contract, and surcharging customers for contamination. What are your thoughts on structure of a recycling contract?
Don Slager - President and CEO
Well, one, I would point out -- our recycling business is actually performed pretty in line with our expectations, so we are not caught offguard there. We would like to see some more benefit accrue the Company with the way the recycling contracts operate. Better pass-throughs on some of these expenses around Green Fence and so forth could help us. But, remember, if recycling volumes come back, we get a pretty big boost from our volumes -- I mean, pricing -- we get a pretty good boost from these facilities.
So we're working with our customers to weave some of this kind of language into our contract that gives us a little more protection, but this is going to take a long, long time to work through the system. These municipalities are used to buying products a certain way, and it's going to take a while for any of those kind of changes to catch on.
Corey Greendale - Analyst
Okay. So it sounds like you are theoretically looking at similar things?
Don Slager - President and CEO
Yes. I mean, we always are. We are always looking for ways to improve the balance and make sure that the fairness in those contracts work for both parties.
Corey Greendale - Analyst
Great. Thank you.
Operator
Joe Box, KeyBanc Capital Markets.
Joe Box - Analyst
I missed some of the call earlier, so I apologize if you went through this detail. But one thing I'm trying to understand is, obviously, the special waste component was a nice benefit in the quarter. Can you just help us understand the improvement that you have seen in incremental EBITDA this quarter? Maybe how much of that came from the landfill business, and specifically, special waste?
Ed Lang - SVP and Treasurer
Joe, this is Ed. We don't really break out or give guidance to EBITDA margin by line of business. I think what we really saw the change in special waste in the quarter, as Don mentioned in his speaker notes, is that we had been awarded a number of projects actually last year. And what we had seen, starting with Q3 of 2012, is that some of these government-run projects being delayed for various reasons.
We have now seen those projects now come back online. One of the larger projects we have right now is a port cleanup in San Diego. But, really, what we are seeing now is we're -- these projects will occur, because they're environmental cleanup. It's just that, given some of the political noise we've had over the past year, they had been delayed. But we see those projects coming free and we're getting that revenue now.
What you would view as special waste on a recurring basis, like our E&P business, we did not really see any disruption in those volumes at all. It was really some of this event work, kind of environmental cleanup that had been delayed. But we definitely see these projects coming back into the pipeline.
Joe Box - Analyst
Thanks, Ed. And just one more quick one. Switching gears to the national account component, I know that you guys kind of comped the large customer that left last year. Can you just maybe talk to the strategy on the national account side? I mean, what's driving the success here? And do you think it continues to grow at a nice pace or is it going to continue to be lumpy?
Don Slager - President and CEO
No, I think it's going to grow at a reasonably steady pace going forward. We're frankly less interested these days in those really super large accounts, because they tend to be a little more volatile -- maybe we learned that lesson. So, we're focused a little bit more on some of the regional customers, some of the accounts that we can get a little closer to.
We are also expanding our share of wallet with those same customers and doing more for them. And so we talked about the fact that we are doing more business that requires us to broker. If we're handling their white goods or their recyclables, we're the contractor, and then we hire a subcontractor to do some of that work. So we're -- again, we're working to add more value and improve the service offering with those customers to be their waste stream expert, so to speak.
And so we're going to continue to focus on it and it's good business. It's got a good return, and it is one of the areas that we think will grow for some time.
Joe Box - Analyst
Understood. Thank you.
Operator
Adam Thalhimer, BB&T Capital Markets.
Adam Thalhimer - Analyst
Nice quarter. On the residential competition you talked about, is that surprising to you at all? I mean, with housing getting a little bit better, you might think that that would actually benefit that market. But maybe (multiple speakers) --.
Don Slager - President and CEO
Yes. I think -- we've got this state of municipal finance that's been weak, and we talk about a lot that if you look at some of the data that's out there about the condition of the general fund in these cities and the way their tax base has been affected over the years, it doesn't surprise me that cities are looking for discounts. It does surprise me that some of the pricing we've seen by some of the players out there, and really more some of the smaller, regional and those kind of companies.
But they're capitally intensive deployments with all the CNG requirements now they put in contracts, in automation and everything else they want, cities are asking for a lot more services without wanting to pay a lot more price. And at some point, we just have to draw the line, because we've got to get that ROI moving in the right direction for the organization. So we're going to take a few hits there. And we're also using that tough environment to battle back and actually do some privatization work. So we've had a couple of nice privatization wins in the year, albeit smaller ones. I'm not sure they're going to be able to offset the revenue loss in total.
Adam Thalhimer - Analyst
Okay. So I'm still a little bit iffy on the -- what the volume outlook is. It almost sounds like Q3 might be a near-term high for volume growth. Is that the right read?
Don Slager - President and CEO
No, I think I said, we're going Q4 -- enter next year with positive volume and positive price for the first time since 2007. So I think we've got a good trend going. We're -- we found, I think, the basement in commercial had a bump it along even to a little positive. We've got this boost in industrial, which has performed well on not only the volume, but the pricing and margin.
Landfill is hard for us, as I said. We've lost virtually all of our third-party competitive MSW volumes. So we don't get the benefit of that volume, but we also don't get the benefit of those customers when they grow their volume. So that's going to work against us a little bit. But, all in all, I mean, it's a pretty good story. We need to work through some of these costs. We're, as we've talked about, controlling the capital and in this tough CPI environment. It's kind of the tail that wags the dog for us when half of our business is restricted. And so we have to work through 2014's CPI environment.
Adam Thalhimer - Analyst
Got it. Okay. Thanks for the time.
Operator
Alex Ovshey, Goldman Sachs.
Alex Ovshey - Analyst
I wanted to go back to the pricing line of questioning for 2014. I want to confirm something before I ask the question. You said a couple of times that 50% of your business is linked to CPI, but I also thought you said that 60% of that 50% would actually be directly impacted by the reset in CPI. (multiple speakers).
Alex Ovshey - Analyst
Yes. that's right. So 50% is indexed and 60% is of that 50%. You're right.
Alex Ovshey - Analyst
Okay. So then (multiple speakers) --
Don Slager - President and CEO
Nevertheless, it's a pretty big chunk.
Alex Ovshey - Analyst
It's a pretty big chunk. Okay. Got you. And then what do you think the headwind, then, would be from residential business that is up for renewal and it's not just a CPI adjustment there, it might be something more than that. I mean, what would that be for 2014? Do you have a sense for that?
Don Slager - President and CEO
Yes. Again, we're not trying to dial too much into 2014 on this call. We're trying to give you kind of where we are through the year and how we're going to end of the year. We're still working through the business plan to getting through all that.
We -- as I said, we are going to work harder on those renewals, and we're going to take a stronger position on the rollbacks. We're still going to protect volume that has a high return, and we're going to have the discipline to walk away from volume that doesn't have an appropriate return. We can't keep throwing capital and additional service into some of these contracts that don't have the return criteria that we need to move forward.
So we think that's been spiraling down over the last several years. We're probably halfway through that book of business. And we would like to see it spiral back up. But we've got to get the work done in business plan to get a better handle on where we think it's going to come out for 2014.
Ed Lang - SVP and Treasurer
And Alex, in a typical year, as far as municipal contracts coming up for renewal, generally is in the range of $300 million to $350 million. So essentially, we have to -- we'll be employing this discipline as we look at those renewals.
Alex Ovshey - Analyst
Okay. That's helpful, guys. And then just my last question on the pricing side. So what's the implied price that you need to get on the open market -- not CPI business -- to be able to keep average yield at around 1.5%? And how does that compare to history? And is there a potential upside to that if we are seeing volumes grow?
Don Slager - President and CEO
Well, as far as our pricing actions go, we've been pretty consistent through this year compared to last year. We plan to be consistent with our pricing actions into 2014, only that we're going to get a little smarter around some of the -- talk about some of the pricing tools that we're using, and see if we can't -- at the point of quoting our customers, work a little harder on some of the fringe, like the fees and some of the other things to push the open market pricing up, and try to do a little better job on demonstrating the value to customers.
So, we're looking to slow the roll back. We're looking to impact some of the churn. But if you think about it, maybe it's a 50%/50% split, right? So.
Ed Lang - SVP and Treasurer
And we accomplished that here in the third quarter, meaning we started to see the lower CPI roll into our numbers beginning July 1, and we were able to make up what we lost there with price increases in the open market. So we're getting the job done today.
Alex Ovshey - Analyst
Okay. Got it. And if I could just ask one more. It's interesting -- it seems like as we move through the year, your temporary rolloff business seems to be very exposed to housing has strengthened, even though looking at the macro housing data, it's actually softened. And I'm curious if you have any thoughts on that disconnect and what that may be related to.
Don Slager - President and CEO
Well, I think that's just the lag, the natural lag. You know? When you read about housing starts and then you see the production of waste from that construction, it just lags. So I think that's what we're experiencing today. I would tell you, we think we're getting our fair share of that business.
Ed Lang - SVP and Treasurer
At a higher price.
Don Slager - President and CEO
You know -- yes.
Alex Ovshey - Analyst
Understand. Great. Thank you very much, guys. Appreciate it.
Operator
Stewart Scharf, S&P Capital IQ.
Stewart Scharf - Analyst
Can you talk a little about the natural gas trucks fleet, how things are going? Your rate of conversion? And also on your fueling stations, are you looking to profit? Or could you quantify how much of the fueling stations will be -- what percentage will be used for outside fleets other than public services? And how much could you -- you could earn on that?
Glenn Culpepper - EVP and CFO
Yes. Stewart, we're currently at 11% of our fleet is on natural gas vehicles. We have a fleet of 15,000 trucks. We buy about 1000 trucks per year, is our replacement program. And we have been buying about half CNG trucks and about half diesel. So we're kind of upping that percentage, if you like, 3% or 3.5% per year. And as far as the fueling stations, we use it only for our own trucks. We don't fuel anybody else's.
Stewart Scharf - Analyst
So you have no plans to share that -- share the (multiple speakers) fueling stations?
Glenn Culpepper - EVP and CFO
No. No, because if you think about it, we have to fuel our trucks every day. And we do that in the evening when the trucks are idle and there's no -- we have no plans to be a retailer of fuels.
Ed Lang - SVP and Treasurer
We view our investment in the natural gas infrastructure as being a competitive advantage. We don't want to share that with other folks.
Stewart Scharf - Analyst
And how many fueling stations do you have right now?
Ed Lang - SVP and Treasurer
25, plus or minus.
Stewart Scharf - Analyst
25. And they cost roughly $1 million a station?
Ed Lang - SVP and Treasurer
It depends on the size, $1.5 million to $2 million. You also have to realize you have a different maintenance environment. So there are some other changes which need to occur. And really, from a safety perspective, you don't really want folks that are not part of Republic coming on the property. We're not a fuel retailer. We're in the business of solid waste management.
Stewart Scharf - Analyst
And what's the hurdle rate? What are you looking for, for ROI and that kind of investment based on the (multiple speakers) between the -- ?
Don Slager - President and CEO
(multiple speakers) It's in the mid-teens and a payback of three to four years.
Stewart Scharf - Analyst
Three to four years. Okay. Thank you very much.
Operator
Barbara Noverini, Morningstar.
Barbara Noverini - Analyst
What are some of the factors that make Republic Services a more competitive vendor to National Accounts work? I know you haven't mentioned much about National Accounts in a couple of quarters, and we are seeing some nice improvement in the quarter. So I'm wondering if maybe your strategy has changed? Maybe you're better equipped to satisfy demand for recycling from these customers, now that you've added some capacity into your network?
Don Slager - President and CEO
Well, I think what matters to National Accounts customers is, as I used the term earlier, they're looking for somebody to be their waste expert, somebody who can understand all the aspects of the waste stream and help them manage them. So whether that is recycling, diversion, white goods, all those kind of things, the things we do. Reporting is important to large customers who have a distributed network. They want access to data that helps them understand what's going on at their locations.
And so that's an important aspect. We've got customer service tools; a portal that they can access their information and manage their information online through our system. So those are the kind of things that we incorporate into our presentations to customers. And we give very good service. And we've got a third-party hauler network in those markets that we don't serve, to help us out, to give us that broad reach.
So, and all in all, I think we do a good job for them, and we're finding other ways to meet their needs -- albeit some of those new ways don't really require our capital or our brick and mortar. But we are finding with opportunities through other alliances and other third-party networks to meet their needs, and just be their go-to company, and sort of take the worries off of their plates. So that's what we do for our customers, and we'll continue to find those accounts that -- and customers that see the value in that.
Barbara Noverini - Analyst
Got you. Would you be able to provide some sort of ballpark with the recycling business that does come from these customers? Are you able to handle most of it? Or do you need to rely on that third-party network to take the majority of it?
Don Slager - President and CEO
Well, we're not in the -- for instance, the eWaste business, we haven't built any infrastructure around that. So when it comes to certain slices of the waste stream, we work through alliances. We don't have -- we're not in the medical waste business, so we have alliances for that. So what we try to do is stick with the, what we would call, traditional recycling -- you know, the fiber, which is the highest content of the waste stream. And that's where we play with our own people and our own trucks. And then we rely on these other partners to help us fill in the gaps.
Barbara Noverini - Analyst
Got you. Okay, that's helpful. Thank you.
Operator
Jeff Osborne, Stifel Nicolas.
Jeff Osborne - Analyst
Most everything has been answered here. Just two quick questions for me. One is, I was wondering if you could just touch on what you are seeing in the M&A environment for 2014 as we exit the year? And then, the special waste business, obviously a bright spot here in the third quarter, a bit erratic to start the year. Just what's the trajectory here as we head into fourth quarter and early next year?
Don Slager - President and CEO
Well, on the M&A side, as I said in my comments, we think that we've got a couple more years of spending about (technical difficulty) [$100 million] in spend to buy good companies at that same multiple and in tuck-in environments. So, in cities and markets we are already in. We're looking at collection companies and occasionally some infrastructure that helps fill out our network.
So we've got a pretty good pipeline, and we haven't seen multiples necessarily change. We are always looking for good companies and we think we've got the ability to continue to do that. On the special waste side, as Ed said, the business can be a little lumpy, but more so on the event-driven business. So again, what we saw happen in Q3 was sort of picking up some of that pent-up demand that was deferred from Q2. So we think that will even out in Q4 and then settle down to be as good as average or better than average in 2014.
Jeff Osborne - Analyst
Excellent. Great to hear. Thank you.
Operator
Thank you. That is all the time we have for questions today. I will now turn the back to Mr. Slager for his closing remarks.
Don Slager - President and CEO
Thank you, Lisa. I would like to thank all Republic employees for their hard work, commitment, and dedication to operational excellence and creating the Republic way. Thank you for spending time with us today and have a safe evening.
Operator
Ladies and gentlemen, this concludes the Republic Services conference call for today. Thank you for participating. You may now disconnect.