Potential future car technologies include new energy sources and materials, which are being developed in order to make automobiles more sustainable, safer, more energy efficient, or less polluting. |
| Hydrogen Fuel |
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The hydrogen economy is a proposal for the distribution of energy using hydrogen. Hydrogen (H2) releases energy when it is combined with oxygen; however in practice, production of hydrogen from water requires more energy than is released when the hydrogen is used as fuel.
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