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Hyundai proves that fuel-cell cars are ready for prime-time -- as soon as there's somewhere for people to actually fill them up.
The Clarity Fuel Cell's only tailpipe emission is water so clean that I could drink it. No, I didn't actually drink it, but I could if I wanted to.
To meet zero-emission vehicle mandates, Toyota revisits fuel cells, building a whole new car around this hydrogen-fueled electric technology.