![Chevrolet Bolt EV being charged outside Go Forth electric-car showroom, Portland [photo: Forth]](https://images.hgmsites.net/tmb/chevrolet-bolt-ev-being-charged-outside-go-forth-electric-car-showroom-portland-photo-forth_100606247_t.gif)
It hasn't emerged much into the public eye, but some advocates and auto-industry sources have had quiet discussions on whether the U.S. will continue to lead the world in electric-car technology in a new decade. California remains the epicenter of plug-in car adoption, with roughly half the country's electric-car sales over seven years recorded...