Mazda is famous for two things: fun cars and Wankel Rotary Engines. The company has two cars in its lineup right now it’s testing as hydrogen models: the Premacy and the RX-8. The Premacy is a mini-van and the RX-8 is a sport coupe and both use rotary engines. Mazda has been working on the hydrogen concept for some time, but with a different outlook than Honda or the others. Rather than using the hydrogen in a fuel-cell, Mazda is burning it directly in a combustion engine to provide powe
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