Large Drop in US Vehicle Fuel Economy in September, Reports the University of Michigan, Transportation Research Institute.

The average fuel economy (window-sticker value) of new vehicles sold in the U.S. in September was at 25.3 mpg—down 0.5 mpg from the value in August. This large drop likely reflects the increased sales of light trucks and SUVs.

Despite this drop, vehicle fuel economy is up 5.2 mpg since October 2007 (the first month of of monitoring by the UM Transportation Research Institute ).

The University of Michigan Eco-Driving Index (EDI)—an index that estimates the average monthly emissions of greenhouse gases generated by an individual U.S. driver—stood at a record low of 0.77 in July (the lower the value the better). This value indicates that the average new-vehicle driver produced 23% lower emissions in July than in October 2007. (10/2/14)

 

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).

 

Average sales-weighted fuel-economy rating (window sticker) of purchased new vehicles for October 2007 through September 2014

What is the ECO-Driving Index?

Additional Publications from the University of Michigan, Transportation Research Institute: Sustainable Worldwide Transportation

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