Fleet Management

ATRI Survey Examines How Fleets are Saving Fuel

October 17, 2016

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The American Transportation Research Institute has conducted a survey of nearly 100 fleet managers and representing over 114,500 trucks to examine fuel economy and fuel usage among fleets of different sizes and needs.

Fuel consistently represents one the largest costs for trucking companies and with tightening emissions regulations, fleets are looking for ways to both increase fuel efficiency and reduce expenses.

Of the 96 fleets surveyed, the median fuel economy was found to be 6.5 mpg. Fuel economy was generally better in larger fleets than smaller fleets. The median percentage of operating cost dedicated to fuel was 24% for all fleets.

The survey separated respondents by fleet size, with statistics grouping fleets into categories of 1-20, 21-100, 101-500 and 501 or more vehicles. The largest fleets had a median fuel economy of 6.8 mpg while the smallest fleets managed 6.3 mpg. The disparity in fuel economy can be chalked up to the types of loads and routes different-sized fleets typically took on.

Small fleets tended to report weighing-out loads or carrying to maximum capacity while larger fleets were more likely to report less than full truckloads. Smaller fleets were also more likely to have long-haul routes that required an overnight stay while large fleets were more likely to have local or regional same-day return routes.

The report also looked at the devices and strategies fleets were using to reduce fuel consumption. The most common fuel-saving technology was aluminum wheels, followed by speed limiters and low-rolling resistance tires.

Of key interest to fleets in selecting and using fuel-saving devices and technology was return on investment. The median required time for a return on investment was 2 years, but the smallest fleets with 1-20 trucks reported a required time for ROI of just 1 year.

The top three fuel-saving technologies with the best ROI were aerodynamic treatments, idle reduction technologies or strategies, and automated manual transmissions. However, both aerodynamic treatments and idle reduction technologies were also listed in the top three worst ROI fuel-saving technologies along with low-rolling resistance tires.

This seeming contradiction may highlight just how dependent ROI was on each fleet’s use case. Fleet size, especially for the smallest fleets, often differed from medium-large fleets in significant ways. For instance, the fuel price before a fleet would start seeking out fuel saving measures was $3.00 per gallon-- not including surcharges-- for most fleets, however, fleets with 1-20 trucks said the threshold was $3.50 per gallon.

"This report shows which technologies fleets are using and which ones they are more skeptical about," said Steve Niswander, vice president, safety policy & regulatory relations with Groendyke Transport, Inc. and chairman of ATRI's research advisory committee.  "It also serves to highlight the difficulties fleets face when deciding which technologies are the best investments."

To access the full report, click here


  1. 1. Cliff Downing [ October 22, 2016 @ 07:49AM ]

    Fuel economy has been a major concern of mine since at least the mid 90's. The fleets have their issues in getting it, but they sometimes seem like Amish horses with blinders on when it comes to how to get it. My 2013 Freightliner, with a factory remanned pre-egr Detroit 60 500 hp, no side skirts, good 'ol manual trans, dual Meritor drive axles, no speed limiter, deer guard on the front has averaged 7.93 mpg for it's entire life. Summer averages are typically in the low to mid 8 mpg range. Dry box with average payload of about 35,000 lb. That the mega fleets can only average 6.8 mpg is criminal with all the side skirt stuff, trailer skirts, wheel covers, trailer tails, etc doesn't speak well. The majority of the gains are in good 'ol fashioned specing the truck drive components right to begin with. Proper gear ratios in both transmissions and diffs to more closely match the ideal engine power band goes a long, long way to attaining best fuel economy. Sure, I use wide based singles, but that was more from a weight savings. There are some very good low RR standard tires for duals in the market. And running proper air pressures make a considerable difference. But it is nice in one way that these folks can't seem to get out of the 6's for average fuel economy. It makes for me getting better fuel surcharge adjustments that improves my net.


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