Mazda to Develop Hydrogen-powered Rotary Engine

Hydrogen-powered rotary engine seen as more efficient than conventional piston engines using hydrogen.

Published: 15-Aug-2003

Japan's Mazda Motor Corp aims to develop a rotary-engine car powered by hydrogen, which would be far less costly than fuel-cell cars and more environment-friendly than gasoline vehicles, a report said Wednesday.

The nation's fifth-ranked automaker will unveil a prototype car at the Tokyo Motor Show in October, aiming to put it on the market in some five years, the Nihon Keizai Shimbun reported.

The car, with the roughly 150-horsepower engine and based on the RX-8 sports car, would be able to run about 200 kilometres (125 miles) on a single tank of fuel, the economic daily said.

Rotary engines are less fuel-efficient than internal combustion engines when running on gasoline, but are expected to be more efficient than standard engines when powered by hydrogen, it said.

It would cost three million to four million yen ($25,200 to $33,600) to build a car mounted with the hydrogen-powered rotary engine, it said. (AFP)



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