It's not a rotary, per se, but the internals do rotate. The engine. It's a testament to its initial design, as whether it's in a V-configuration, W, H, or even flat, it really hasn't changed its ...

Small engine manufacturer LiquidPiston is developing a tiny, lightweight, super-efficient engine that functions a lot like Wankel rotary units. Despite that, LiquidPiston says the unit can deliver ...

However, due to the design of the rotary engine, there is no way to keep the oil lubricating the seals out of the combustion chamber. Mazda engines include an injector pump which pushes small ...

The compact size of rotary engines makes them perfectly suited to ... would double the range of the Mazda 2 EV before needing its small fuel tank filled up. At this early stage Mazda is coy ...

Yet the suspension is soft enough for daily comfortable use. The small rotary engine loves to rev and puts out lots of power. Mazda's lightweight rotary engine is a key design element in producing ...

In the RE prototype, the engine was exclusively used to charge the lithium-ion batteries when they were running low, and a 100-horsepower electric motor provided all of the propulsion.