http://www.gizmag.com The Riversimple Urban Car, a hydrogen-powered two-seater capable of speeds up to 50mph and of traveling more than 200 miles without refueling, was unveiled in London this week. While the prototype car is itself a welcome development in sustainable travel, the aim of the company behind it is even more ambitious: to completely eliminate the environmental impact of personal transport. en gizmag.com http://www.gizmag.com/riversimple-concept-car/11996/#comment-3184 http://www.gizmag.com/riversimple-concept-car/11996/#comment-3184 Fri, 19 Jun 2009 15:00:00 -0500 http://www.gizmag.com/riversimple-concept-car/11996/#comment-3181 http://www.gizmag.com/riversimple-concept-car/11996/#comment-3181 Fri, 19 Jun 2009 13:27:49 -0500 http://www.gizmag.com/riversimple-concept-car/11996/#comment-3175 http://www.gizmag.com/riversimple-concept-car/11996/#comment-3175 Fri, 19 Jun 2009 11:02:08 -0500