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UMTRI: Average fuel economy of new vehicles in US in August was 23.8 mpg, up from July

The average fuel economy (window-sticker value) of new vehicles sold in the US in August was 23.8 mpg (9.88 l/100km)—up 0.2 mpg from July, and up 3.7 mpg (or 18%) from October 2007, according to researchers at the University of Michigan Transportation Research Institute (UMTRI). The improvement from July to August most likely reflects the increased price of gasoline, they suggested.

The University of Michigan Eco-Driving Index (EDI)—an index that estimates the average monthly emissions generated by an individual US driver—stood at 0.82 in June (unchanged from May but an improvement of 18% 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).

EDI_mpg_August-2012
Average sales-weighted fuel economy. Source: UMTRI. Click to enlarge.

Comments

HarveyD

This is true only where the distribution is linear, i.e. one vehicle (equivalent) of each type. In the real world this is not the case. In Western Canada and USA's Mid-West where the majority of vehicles sold are heavy 4 x 4 gas guzzlers, the real average is still below 20 mpg.

ai_vin

Errr Harvey, check the graph. It is clearly labeled "Average sales-weighted fuel economy."

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