GM shows off Chevy Volt Posted by Tom Kessler on September 30, 2008 Sep 302008 Green Right Now auto writer Clint Williams and GM’s Cristi Landy talk about the landmark Chevy Volt at an appearance at Texas Motor Speedway outside Dallas. More from GreenRightNow:Report: Prius Will Get Solar PanelsStudy: Americans favor improved mileage gas engines over alternativesNew program will help put cleaner rigs on Southern roads