Published January 13, 2009, 12:00 AM
Detroit auto show
New models and concept cars are unveiled at the North American International Auto Show.
Senator Bob Corker, R-Tenn., left, views the Cadillac Converj concept with GM Vice President of Global Design Ed Welburn, center, and Beth Lowery, Vice President, Environment, Energy and Safety Policy at the North American International Auto Show in Detroit, Tuesday, Jan. 13, 2009. The Converj, contains the same range-extended gas-electric hybrid powertrain as the Chevrolet Volt. (AP Photo/Paul Sancya)

