Riversimple launches Rasa, a hydrogen-powered city car for the masses

A new hydrogen fuel-cell electric vehicle prototype has been launched with a claimed fuel economy equivalent to 250 mpg (0.9 L/100km). Dubbed "Rasa," the new car has a lightweight carbon-fiber monocoque shell, in-wheel electric motors, a bank of supercapacitors charged by braking-regeneration, and a host of other features that enable it to travel up to a claimed 300 miles (483 km) on just a 3.3 lb (1.5 kg) tank of hydrogen.
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