Study finds that increased vehicle travel and decreased occupancy have undercut the impact of improving fuel economy over last 40 years
Green Car Congress
MARCH 6, 2013
From 1970 to 2010, vehicle distance travelled in the US increased by 155% (from 1.674 trillion km to 4.260 trillion km); however, because vehicle load (i.e., This has led some researchers to argue that the policy emphasis should be on reducing vehicle distance traveled through an increased fuel tax—with fleet-wide effect.).
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