David BoothDrivingMay 15th, 2020 It wasn’t a banner year for electric vehicles in 2019. After a six-year run typified by near exponential growth — EVs averaged an incredible 60 per cent year-over-year increase from 2012 to 2018 — worldwide sales of plug-in vehicles have stagnated. Oh, pretty much any other segment in the auto business would have gladly welcomed 2019’s…