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A fuel cell is an electrochemical device that combines hydrogen and oxygen to produce electricity, with water and heat as its by-product. As long as fuel is supplied, the fuel cell will continue to generate power. Since the conversion of the fuel to energy takes place via an electrochemical process, not combustion, the process is clean, quiet and highly efficient – two to three times more efficient than fuel burning. All the major automotive manufacturers have a fuel cell vehicle either in development or in testing right now, and several have begun leasing and testing in larger quantities. Automakers and experts speculate that the fuel cell vehicle will not be commercialized until at least 2010. Over the last four years, more than 50 fuel cell buses have been demonstrated in North and South America, Europe, Asia and Australia. Fuel cells are highly efficient, so even if the hydrogen is produced from fossil fuels, fuel cell buses can reduce transit agencies’ CO2 emissions. And emissions are truly zero if the hydrogen is produced from renewable electricity, which greatly improves local air quality. Because the fuel cell system is so much quieter than a diesel engine, fuel cell buses significantly reduce noise pollution as well. 

 
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Keywords
hydrogen  fuel  cell  car  fuelcell  plugin  hybrid  electric  
power  battery  ballard  
 
 About This Video
 
 Subject Energy
 Category Documentary
 Duration 00:03:42
 Views 3588
 Added 26-12-07
 Contributor    sidpatel
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