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Wired

January 5, 2012

"All factors being equal, fuel economy increased 60 percent in that time, Knittel notes in 'Automobiles on Steroids,' published in American Economic Review. If we were driving cars that featured today’s drivetrain tech but had the weight and power of vehicles in the Reagan era, the average fuel economy of the American fleet would have climbed from 23 mpg in 1980 to roughly 37 mpg today."

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