U.S. Department of Energy: Energy Efficiency and Renewable Energy

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Fuel Cell Animation

This fuel cell animation demonstrates how a fuel cell uses hydrogen to produce electricity, with only water and heat as byproducts. Hydrogen fuel cell vehicles emit approximately the same amount of water per mile as conventional vehicles powered by internal combustion engines. Learn more about water emissions from fuel cell vehicles.


View text version of animation.

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Content Last Updated: 08/23/2011