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UMTRI: US average new vehicle fuel economy dropped in August

The average fuel economy (window-sticker value) of new vehicles sold in the in August was 25.3 mpg (9.29 l/100 km), down 0.1 mpg from July, according to the latest monthly report from Dr. Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). This decline likely reflects the decreased price of gasoline in August, and the consequent increased sales of light trucks and SUVs, they suggested.

Fuel economy is down 0.5 mpg from the peak reached in August 2014, but up 5.2 mpg since October 2007 (the first month of their monitoring).

EDI_mpg_August-2015

The University of Michigan Eco-Driving Index (EDI)—an index that estimates the average monthly emissions of greenhouse gases generated by an individual US driver—was 0.82 in June, unchanged from May (the lower the value the better). This value indicates that the average new-vehicle driver produced 18% lower emissions in June 2015 than in October 2007, but 4% higher emissions than the record low reached in August 2014.

The EDI takes into account both vehicle fuel economy and distance driven (the latter relying on data that are published with a two-month lag).

EDI_mpg_August-2015

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