With more electric vehicles on the road, automakers are training emergency workers in best practices to respond to crashes involving the battery-powered cars and trucks. General Motors has just completed training first responders in the Midwest on specific things to watch out for. The gasoline-powered internal combustion engine has been around for so long, emergency crews have always gone about responding to car crashes and fires in pretty much the same way, but it is changing as more electric vehicles are on the road. ...