After seeing a slight increase in July, the average fuel economy of new cars sold dropped in August.
The sales-weighted fuel economy is based on data from researchers Michael Sivak and Brandon Schoettle from the University of Michigan, and is calculated from the monthly sales of individual models of light duty vehicles (cars, SUVs, vans and pickup trucks) and the combined city/highway fuel economy ratings published in the EPA Fuel Economy Guide.
Average fuel economy dropped 0.1 to 25.3 mpg in August, matching 2015’s figure. The researchers believe the decline is likely the result of the decreased price of gasoline in August, as well as the consequent increase in light truck sales. Overall, fuel economy is down 0.5 mpg from the peak reached in August 2014, but is still up 5.2 mpg since October 2007, the first month data was recorded.
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