Mini E to return, Mercedes electric SUV driven, diesel NOx emissions bad, Karma redux: Today’s Car News

2017 Karma Revero deliveries start on May 12, 2017Today, two cars with plugs return—one luxury plug-in hybrid, and one all-electric minicar in a couple of years—plus grim news about diesel emissions, an ambitious electric motorcycle ride, a phone app for British electric-car drivers, and a scary IIHS video. All this and more on Green Car Reports. It's 380 miles from San Francisco to...