The North American Council for Freight Efficiency said fuel efficiency in Class 8 trucks participating in its annual fleet study from 2018 to 2020 remained flat at 7.24 mpg after seven previous years of 2% annual increases. The study had been on a three-year hiatus, in part because of the pandemic, and a new report was released Dec. 13. NACFE Executive Director Mike Roeth said probable reasons for the lack of an increase in fleet fuel economy the past three-plus years include companies changing their routes to more regional runs versus longer over-the-road trips. Fifteen fleets participated in the study.

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