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What are the advantages of using hydrogen as a fuel?
 Hydrogen does not occur free in nature in useful quantities, but it is manufactured in a number of ways. It can be made from natural gas or it can be made by passing electric current through water.
Advantages of Hydrogen Fuel
When hydrogen is burned, the only emission it makes is water vapor, so a key advantage of hydrogen is that when burned, carbon dioxide (CO2) is not produced. Clearly, hydrogen is less of a pollutant in the air because it omits little tail pipe pollution. Hydrogen has the potential to run a fuel-cell engine with greater efficiency over an internal combustion engine. The same amount of hydrogen will take a fuel-cell car at least twice as far as a car running on gasoline.


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