The longest-range electric cars

EVs that can break the 300-mile barrier are growing in number. As are number of cars that will crack 400 miles.Back when electric cars entered the mainstream car market, there were a few major talking points: their credentials as zero-emission transport, their prices and, perhaps most importantly, their range. 
EVs have come a long way in a short space of time. Thanks to a decade and a half of battery and motor development, some of the longest-range electric cars can now match their petrol