General Motors Vice Chairman Bob Lutz introduces the VOLT electric car concept vehicle at the 2007 North American International Auto Show in Detroit, Michigan, January 7, 2007
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General Motors Vice Chairman Bob Lutz introduces the VOLT electric car concept vehicle at the 2007 North American International Auto Show in Detroit, Michigan, January 7, 2007. General Motors Corp plans to launch its Chevrolet Volt by the end of 2010 despite skepticism at GM about that target, Lutz told Reuters on Tuesday. (Photo: Reuters)