Download this article in PDF format. Plug-in electric vehicles for passengers continue to become more mainstream within the automotive market, and the shift in that direction shows no signs of slowing down. In fact, Bloomberg New Energy Finance’s 2017 Long Term Electric Vehicle Outlook forecasts that by 2040, 54% of new car sales and 33% of the global car fleet will be electric vehicles. Growth projections for the numbers of hybrid electric vehicles are similarly vigorous.