EarthNew hydrogen-powered city car takes to the road The small, light vehicle is powered by a fuel cell that combines hydrogen with oxygen from the air to release energy and nothing more toxic than water. 51¶¯Âþ
TechnologyIntelligent car door clams up when danger's about Engineers at BMW are testing a door that resists being opened if it will collide with an object – the technology could end a common cause of road accidents 51¶¯Âþ