How do hydrogen cars work?

By Jeff Youngs, December 31, 2011 Alternative energy vehicles automobiles that are propelled by something other than traditional petroleum-based fuels are becoming increasingly popular, as they offer the promise of environmentally friendly transportation. read more

Hydrogen -- the simplest and most abundant element in the universe. And some people think that in 20 to 30 years, we'll all be driving these hydrogen-powered, fuel-efficient vehicles. Although hydrogen-powered cars have a science fiction quality to them, the idea isn't really new. read more

Unlike fuel cell cars and trucks, battery electric vehicles can use existing infrastructure to recharge, but must be plugged in for extended periods of time. Learn more about how battery electrics work > Plug-in hybrid electric vehicles are similar to battery electric vehicles but also have a conventional gasoline or diesel engine. read more