Porsche 918: The Eco Friendly Hypercar

Are you a tree or curve hugger? Porsche engineers think you can be both, and they come together in the form of the Porsche 918 Spyder. It is the two-seat mid-engine Spyder that should make exotic car types, as well as the eco-poseurs in egg-shaped runabouts, turn green—the latter with envy. This plug-in hybrid sports …