The average sales-weighted fuel economy of new vehicles sold went up to 25.4 mpg in July.
The data comes from University of Michigan researchers Michael Sivak and Brandon Schoettle, who have been tracking fuel economy of new vehicles since October 2007. July’s figure of 25.4 mpg ties this year’s high, when it also reached the same value in May. The year started off at 25.2 mpg before rising to 25.4, while June dipped to 25.3 mpg as gas prices continue to fall and shoppers turn towards SUVs and pickup trucks once again.
Sivak and Schoettle calculate the average sales-weighted fuel economy each month by using the monthly sales of individual models of light-duty vehicles, which includes cars, SUVs, vans and pickup trucks, with their combined city/highway fuel economy ratings published in the EPA Fuel Economy Guide. Last month’s average fuel economy of 25.4 mpg is up 5.3 mpg since October 2007, but is still down 0.4 mpg from the peak reached in August 2014.
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