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Fuel Cells

Hydrogen fuel cell cars promise pollution-free driving, but will we see them anytime soon?
Publish Date: Topic: Tech + EngineeringTech & EngineeringBrand: NOVA ScienceNOWNOVA ScienceNOW

(This video is no longer available for streaming.) Hydrogen fuel cell cars, whose only tailpipe emission is water, are often hailed as one solution to our energy woes. But many hurdles remain, including lowering the cells' cost, building filling stations, and finding green ways to produce hydrogen. Meantime, our NOVA scienceNOW host test-drives a prototype fuel cell car, with "Car Talk" hosts Tom and Ray Magliozzi along for an amusing ride.

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