COTD: The Highway Of Tomorrow Is Lined With Powerdicks

One of the coolest cars revealed at the Paris Motor Show was the Mercedes SLS AMG Electric Drive. It's got 737-lb-ft. of torque all-wheel-drive goodness, but the coal-powered Merc reminds us of a looming problem with electric cars. » 9/27/12 5:00pm 9/27/12 5:00pm