Philadelphia Inquirer: Willett Kempton drives an uncommon car. The body is a Toyota Scion. The innards have been stripped of their “greasy parts,” and replaced by massive batteries and other electrical components. The resulting vehicle, developed by Kempton, a renewable-energy professor at the University of Delaware, can hit 95 miles an hour and go 120 miles before charging. As impressive as those numbers are, the car’s real benefit is that it’s not just a user of energy. It’s also a …