For those of you who struggled with high school chemistry, this one's a doozy.
Here's a technology that solar energy and hydrogen vehicle proponents might be able to agree is pretty darn cool.
Toyota FCHV-adv – Click above for high-res image gallery
Hydrogen vehicles hold out a future hope where our cars, trucks and motorcycles won't be emitting harmful toxins and carbon dioxide from their tailpipes (and yes, we know generating the hydrogen fuel will mean emissions from other sources). But before any of us can trade in our fossil fuel-burner for a new hydrogen car, we need someplace convenient to refuel them.