Once left behind due to high fuel consumption and fragile reliability, the rotary engine, long championed by Mazda, is making ...

Chinese firm Dongan Auto revives the Wankel engine, developing a lightweight prototype aimed at next-gen aerial mobility ...

Pratt & Whitney continues to insist its engine offering for the next generation of single-aisle aircraft will be a traditional ducted fan engine, eschewing the open-fan design of its rival CFM ...

Airbus is encouraged by preliminary data analysis of CFM’s RISE engine but the airframer’s propulsion engineering chief insists that the open-rotor technology has still to cement its case for ...

Mazda’s new rotary engine made its appearance in the range-extender Mazda MX-30 PHEV in 2023 and is due in the US shortly. It’s the first new rotary engine produced by the company since the ...

Wind-tunnel testing of multiple configurations of sub-scale blades for GE's Open Rotor engine is being conducted to identify the optimum blade design for the engine's two counterrotating stages of ...

Rotary engines tend to conjure images of a few famous sports cars, yet a surprising number of coupes, sedans, concepts, and even workhorses quietly packed spinning triangles under their hoods. By ...