NEW YORK, Jan. 10 /PRNewswire/ -- GM unveiled a new concept car, called the Chevrolet Volt, at the North American International Auto Show in Detroit. GM CEO Rick Wagoner says the Volt is a battery-powered electric vehicle that uses a gas engine to create additional electricity, and extend its range. Listen to this report at: http://media.medialink.com/WebNR.aspx?story=32927 Registered journalists can access video, audio, text, graphics and photos for free and unrestricted use at http://media.medialink.com/. DATASOURCE: Medialink and General Motors CONTACT: Medialink New York, +1-888-560-5578 or Web site: http://media.medialink.com/

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