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Hydrogen
utc fuel cells
--> A fuel cell is an electrochemical device that combines hydrogen fuel and oxygen from the air to produce electricity, heat and water. Since the fuel is converted directly to electricity, a fuel cell can operate at much higher efficiencies than internal combustion engines, extracting more electricity from the same amount of fuel. Individual fuel cells can be then combined into a fuel cell "stack".
http://www.utcfuelcells.com/fuelcells/index.shtm [cache]
SPACE DEFENSE CAREERS
utc fuel cells
--> A fuel cell is an electrochemical device that combines hydrogen fuel and oxygen from the air to produce electricity, heat and water. Since the fuel is converted directly to electricity, a fuel cell can operate at much higher efficiencies than internal combustion engines, extracting more electricity from the same amount of fuel. Individual fuel cells can be then combined into a fuel cell "stack".
http://www.utcfuelcells.com/fuelcells/index.shtm [cache]