Fuel cell equinox
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General Motors showed off a Chevy Equinox SUV that runs on a hydrogen fuel cell. The company is testing 100 of these with consumers and businesses that are able to refuel at hydrogen stations. Seen here is the fuel cell stack, which chemically converts hydrogen into electricity. In its next generation, GM plans to shrink the fuel cell stack to a smaller size--because of the tight fit, the regular 12-volt battery and windshield cleaning fluid container had to be moved to the back of the car. Another significant challenge for fuel cell vehicles is hydrogen storage, which limits the driving range of these vehicles to less than their gasoline counterparts.
October 6, 2009 10:31 AM PDT
Photo by: Martin LaMonica
