Rolls Royce will be showcasing a one-off, fully electric powered Phantom at the Geneva Motor Show on 1 March 2011. The British automaker said the car will serve as a working test bed to explore the feasibility of battery-powered Rolls Royce models in the near future. “We have engineered the world’s first battery electric vehicle for the ultra-luxury segment,” said CEO Torsten Müller-Ötvös,