The arrival of electric cars has been delayed for years by problems in finding a suitable energy source. The batteries that are available at reasonable cost have been too heavy and take up much space. Up until now successful fuel cells have required the use of fuels such as hydrogen and oxygen. Oxygen can be obtained from the air, but hydrogen is expensive to produce. The us department of energy and A.D has solved the problem by finding a way to extract hydrogen efficiently and cleanly from gasoline or ethanol, and this process is called “reforming”. So gasoline or ethanol can in directly become the source of hydrogen for a fuel cell.
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