The average sales-weighted fuel economy in the U.S. increased in January 2016 after months of decline.
With gas prices dropping nationwide and truck sales booming, the average fuel economy of new vehicles sold had dropped from May 2015 to December 2015. At its highest point last year, average fuel economy came in at 25.5 mpg before hitting 24.9 in December. Last month, it rose to 25.1 mpg.
The data comes from Michael Sivak and Brandon Schoettle from the University of Michigan Transportation Research Institute and is calculated from the monthly sales of individual models of light-duty vehicles (cars, SUVs, vans and pickup trucks) along with the combined city/highway fuel economy ratings published in the EPA Fuel Economy Guide.
The team has been tracking fuel economy data since October 2007, when the average vehicle sold returned 20.1 mpg. It hit an all-time high of 25.8 mpg in August 2014.
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