University of Michigan Transportation Research Institute (UMTRI) researchers Michael Sivak and Brandon Schoettle report that the average fuel economy (window-sticker value) of new vehicles sold in the US in October reached 24.1 mpg (9.76 l/100km)—the highest level yet, and up 4.0 mpg from October 2007 (the first month of their monitoring).
This 20% improvement in fuel economy (mpg) corresponds to a 17% reduction in fuel consumption (gallons per mile).
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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 0.81 in August, an improvement of 19% since 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).
All of the values are now corrected for the changes in the EPA ratings for the Hyundai/Kia vehicles that were issued on 2 November. (Earlier post.)