UMTRI: average new vehicle fuel economy in the US dropped 0.2 mpg in December
Green Car Congress
JANUARY 9, 2014
mpg from the revised value in November, according to the latest monthly figures from Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). mpg from the value in October 2007 (the first month of their monitoring). mpg from 2012 and up 3.9 mpg from 2008.
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