Chevrolet introduces the VOLT concept car at the 2007 North American International Auto Show in Detroit, Michigan, January 7, 2007
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Chevrolet introduces the VOLT concept car at the 2007 North American International Auto Show in Detroit, Michigan, January 7, 2007. General Motors is on track to road-test its Chevrolet Volt plug-in hybrid in early 2008, and will produce the rechargeable car by late 2010, a senior GM official said. (Photo: Reuters)