Elm Chevrolet

General Motor subsidiaries seem to be playing nice these days, and the fact that Chevrolet just handed over the Volt platform for Cadillac to use in an upcoming model more than proves it. The Chevrolet Volt is once successful vehicle, so for the American automaker to share its platform so willingly says a lot about how the GM owned automaker views its sibling companies. However, we here at Elm Chevrolet aren't simply happy to…