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Published online 7 October 2004 | Nature | doi:10.1038/news041004-13
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Hydrogen economy looks out of reach
US vehicles would require a million wind turbines, economists claim.
Converting every vehicle in the United States to hydrogen power would demand so much electricity that the country would need enough wind turbines to cover half of California or 1,000 extra nuclear power stations.
So concludes a British economist, whose calculation is intended to highlight the difficulties of achieving a truly green hydrogen economy.
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