A solar powered outdoor stereo system,
a futuristic golf car - style EV, and a kinetically charged cell phone are three of the ideas shown of at the
Since then, we've had plug - in hybrids as diverse as the
futuristic BMW i3 REx city
car, to conventional family models like the Volvo V60 Plug - in, sporty hatchbacks such as the Volkswagen
Golf GTE and even supercars like the Porsche 918 Spyder.