Riversimple unveils hydrogen-electric city-car backed by Porsche

A UK company that goes by the name of Riversimple announced today that it has developed a new two-seater zero-emissions hydrogen-electric city car with an expected fuel-economy of 360 mpg (300 mpg in U.S. terms).

The Riversimple small city-car, which is supported by Porsche, integrates a 6kW fuel-cell system from Horizon Fuel Cell Technologies, which features ultra capacitors and 60 percent regenerative braking energy. That allows the two-seater Riversimple hydrogen-electric city-car to travel 240 miles on one small tank of hydrogen weighing 2.2 lbs.

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pennfootball - 6/17/2009 2:16:01 PM

0 Boost

Who knows, this is a science project, they won't build it...it's too good and they don't have hydrogen fuel stations in many places on the planet.

thstone - 6/17/2009 5:34:18 PM

+1 Boost

Nice car, but how do we:

(1) manufacture the hydrogen to be economically competitive with fossil fuels?
(2) manufacture the hydrogen without relying on fossil fuels?
(3) manufacture the hydrogen without creating more CO2 (in the hydrogen creation process) than we save by driving a hydrogen powered car?

Right now, there is no valid answer to these questions and thus, hydrogen power remains stuck in limbo.