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Nissan is showing off its latest hydrogen fuel cell prototype in London this week. The Japanese company has brought the X-Trail FCV to London's Imperial College. The X-Trail uses a 90 kW fuel cell stack with hydrogen compressed to 10,000 psi to achieve a range of over 300 miles. Nissan has developed its own fuel cell stack in house and mounted it under the front seats. The hydrogen storage tank sits below the second row seat while a lithium ion battery sits below the rear cargo floor. As in hybrid vehicles the battery is used to recapture kinetic energy during braking then feed it back for bursts of acceleration. Nissan expects to have fuel cell vehicles available for sale around 2015 although that depends on reducing the cost dramatically.


[Source: The Evening Standard]

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