Since its announcement three years ago, the Chevrolet Volt has seemed like one of those perpetually out-of-reach technologies, like fusion power or flying cars. No longer. General Motors is gearing up ...

Chevrolet built the Bolt EV. But the lineup, somewhat confusingly, also featured the Volt. How to categorize the Volt was contentious — at least if you happen to be dragooned at a dinner with car ...