Ultracapacitors: the future of electric cars or the 'cold fusion' of autovation? ZENN Motors says its electric car will cruise for 250 miles on a single five-minute charge. Skeptics cry shenanigans. By Mark Clayton | Staff writer of The Christian Science Monitor Reporter Mark Clayton discusses the prospect of a new type of electric vehicle from Toronto-based firm ZENN Motors. Ian Clifford wants to start a global revolution by building a practical, everyday car with no gasoline engine, no batteries, and no emissions. While big Detroit automakers ponder a future plug-in car that goes 40 miles on a battery charge...