Mazda’s green rotary development was focused on hydrogen well before hybrids. As early as 1991, Mazda exhibited a concept called the HR-X, shown here. It had a slippery, organic shape typical of ...

Toyota isn't ready to give up on internal combustion yet. The brand's hydrogen engine has been in development for a while, ...

Mazda's Wankel rotary engine is one of the most iconic ever fitted to a road car, and this is why it should return to the brand's cars in the future.

If you combine hydrogen as a source of energy for the rotary engine and a battery pack, Mazda might have a solution that most other automakers ignored for decades.

Some of the world's biggest truckmakers, including Volvo and MAN, are reworking combustion engines to run on low-emission hydrogen instead of polluting diesel, a quicker low-cost fix to their ...

Cars and bikes already have wheels. But what if it behaved and traveled like a horse? That's exactly what the Japan-based ...

Mazda believes hydrogen could help its its rotary engine move from a niche to mainstream source of power, beating rival approaches like fuel cell vehicles and battery cars.

A new hydrogen combustion engine offers an eco-friendly alternative to gasoline with the potential for similar range and refilling times.

Tata Motors and Tata Cummins officials apprised the CM about their plans to manufacture hydrogen-based engines and electric vehicles to achieve net zero carbon emission in the automobile sector ...

ZeroAvia says using its’ hydrogen-based engines on a Dash 8-400 will create a commercially viable zero-emission plane with fuel cell engines 5 times more powerful than anything that has come ...