Average fuel economy grows yearly

The average fuel economy of all vehicles sold in calendar 2013 was 24.8 mpg, up 1.0 mpg from 2012 and up 3.9 mpg from 2008. I
It’s also up 4.7 mpg from the value in October 2007.
But, the average fuel economy (window-sticker value) of new vehicles sold in the U.S. in December was 24.8 mpg–down 0.2 mpg from the revised value in November,

For a description of the calculations and the recent mpg values, visit http://www.umich.edu/~umtriswt/EDI_sales-weighted-mpg.html.

This is the ongoing work of Michael Sivak, Director of  Sustainable Worldwide Transportation,

at the University of Michigan’s Transportation Research Institute.