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Published online 24 August 2007 | Nature | doi:10.1038/news070820-14
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Hydrogen fuel goes liquid
Nitrogen unlocks the possibility of convenient clean fuels.
Forget trying to shove gaseous hydrogen into porous materials for safe storage: the future of the clean-fuel economy lies in carrying hydrogen in a liquid, argues Robert Crabtree of Yale University, New Haven.
This means that cars running on fuel cells, which run on hydrogen and oxygen and produce only water as a byproduct, could fill up at stations using roughly the same liquid-fuel infrastructure that already exists.
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