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        6-12

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        Auditory, Visual

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        Part of FRONTLINE | NOVA
        163 Favorites
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        Global Warming: The Hydrogen Car

        Engines have been used in transportation and industry since the eighteenth century. Those powered by fossil fuels such as coal and gasoline emit harmful pollution, deplete the limited supply of natural resources, and contribute to global warming. In this video segment adapted from NOVA/FRONTLINE, see why hydrogen fuel cells are being touted as a possible replacement for the automobile's internal combustion engine, and the challenges that surround this technology.

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