Editors   First Test Drive Chevy Volt   4/14/2009 9:20:00 AM    
General Motors recently invited a few reporters to test drive a Chevrolet Volt electric car "test mule" at the GM Proving Grounds. The car was the new Chevrolet Cruze, but underneath, though, was the battery pack and electric motor, packed under the gasoline engine, of a Chevy Volt electric car.

The Volt runs exclusively on the electric motor, running the first 40 miles on battery power...