Nissan's unveiled the Pivo 3, the latest version in the formerly egg-shaped Pivo line of Concept EVs. Ditching the spherical, independently moving cabin for a boxier, sharper look, the zero-emission car retains the roomy 1+2 configuration of it's forebears (all the better to pretend you're driving a McClaren F1) and motors mounted on each of the wheels. It's designed for the urban environment, with a tiny four-meter turning circle and