When the doors opened at Detroit’s Cobo Center for the 2013 North American International Auto Show, hybrids, plug-ins and pure electric vehicles were
featured, and visitors got the opportunity to drive some of the latest green machines in the basement. Manufacturers did take pains to note that their newest performance cars are more fuel-efficient
than in the past, the 450 horsepower Chevrolet Corvette Stingray, for example, getting as much as 30 mpg.
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