Carbon Nanotubes Could Replace Platinum and Lead to Affordable Hydrogen Cars

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By Eliza Strickland
Feb 7, 2009 2:11 AMNov 5, 2019 5:26 AM
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The joke about hydrogen-powered cars is that they're about 10 years away--and always will be. The technology has been held up largely by the high cost of hydrogen fuel cells, but now researchers say they've found a way to bring down the cost dramatically by making a key component out of carbon nanotubes instead of platinum.

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