UK’s Riversimple, China-based Horizon Fuel Cell debut 2-seat, hydrogen car prototypeSHANGHAI — Britain-based Riversimple, a company founded by former race car driver Hugo Spowers and backed by Porsche scion Sebastian Piech, Tuesday unveiled the prototype for a two-seat, hydrogen powered car promising fuel consumption equivalent to 360 miles per gallon (106 kilometers/liter). |