Plug-in electric car sales for April 2016: Volt romps, Leaf stagnates (update)Plug-in electric car sales for April 2016: Volt romps, Leaf stagnates (update)
After the usual winter doldrums at the start of the year, April proved to be a good month for plug-in electric car sales in the U.S. March was a record-breaking month, and as April results come...