McMurtry’s Spéirling can produce maximum downforce at 0 mph thanks to a fan system that “sucks” the car into the ground.

3:34 EV shoppers have concerns about electric car batteries, but those concerns likely are focused on the wrong thing. We’ll explain how to best preserve your EV’s battery capacity and range.

The author and editors take ultimate responsibility for the content. Electric cars -- commonly called electric vehicles or EVs -- are automobiles with engines powered by electricity rather than gas.