Tiny Chevrolet Sonic helps Detroit shake off rust - Article Photos 8/9

In this April 25, 2012 photo, a drive train assembly moves in to be mated with a Chevrolet Sonic at the Orion Assembly plant in Orion Township, Mich. Nearly four years after GM filed for bankruptcy protection, the automaker is building the Sonic, the best-selling subcompact car in the nation. (AP Photo/Duane Burleson)