I read somewhere that this was how Chevrolet came up with the Volt concept. They were working on an electric car prototype, and to save charging time at the tra

I read somewhere that this was how Chevrolet came up with the Volt concept. They were working on an electric car prototype, and to save charging time at the track, they threw a gas generator in the trunk. They were surprised to find it worked reasonably well. I don't know whether this story is true, though; tonight I couldn't find a source.