![2017 Chevrolet Bolt EV electric cars outside dealership [photo: Patrick Reid]](http://images.hgmsites.net/tmb/2017-chevrolet-bolt-ev-electric-car-photo-patrick-reid_100605961_t.gif)
With modern electric cars about to enter their eighth year on sale, they remain a tiny fraction of the North American and global markets. While plug-in models now make up almost 1 of every 20 vehicles sold in California, in the U.S. overall and globally it's more like 1 percent. The hurdles to getting shoppers to consider electric cars are...