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Fuel Cells

Fuel Cells: Suddenly Worth Watching

February 21, 2010

Fuel cells — which turn a fuel like hydrogen into electricity and water — have always been one of clean tech’s holy grails. Silent and non-polluting, they would, if they ever work economically, replace both internal combustion engines and coal-fired power plants. The problem is with the “economically” part: Fuel cells do work, but at [...]

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