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Average fuel economy of new vehicles sold in US in July up slightly from June

The average fuel economy (window-sticker value) of new vehicles sold in the US in July was 25.6 mpg (9.19 l/100 km)—up 0.1 mpg from the value in June and just 0.1 mpg shy of the revised record value set in May, according to the monthly tracking report from Dr. Michael Sivak and Brandon Schoettle at University of Michigan Transportation Research Institute (UMTRI). Vehicle fuel economy is up 5.5 mpg since October 2007 (the first month of their reporting).

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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—stood at 0.79 in May (the lower the value the better). This value indicates that the average new-vehicle driver produced 21% lower emissions in May than in October 2007. 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).

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