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
TechnologyShould nuclear fuels be taken out of national hands? To discourage proliferation, calls are growing to establish a system where nuclear materials are managed under international auspices 51¶¯Âþ