Jeffrey Sauger / General Motors
GM Vice Chairman Bob Lutz introduces the Chevrolet Volt concept at Detroit's North American International Auto Show. The Volt has attracted much attention since its unveiling in January.
GM tries to unplug Volt hype
Sharon Terlep / The Detroit News
General Motors Corp. seized the world's attention in January when it unveiled plans to build the Chevy Volt -- a plug-in hybrid car touted not so much as a mode of transportation but as part of a solution to the nation's energy crisis.
The Volt grabbed headlines, lit up online chat boards and dominated the buzz at the auto show in Detroit.
There's just one problem: The Volt may never get built.