Chevy Bolt EV, Sonic, Bolt, Sonic: GM mingles gas, electric cars on same assembly line

2017 Chevrolet Bolt EV, road test, California coastline, Sep 2016General Motors didn't have to construct an all-new assembly plant to build its affordable, mass-market Chevrolet Bolt EV electric car. In fact, it produces the electric car at the existing Orion assembly plant in Michigan, which opened in 1983. That's not the most interesting aspect of Bolt EV production, though: GM actually builds the...