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

WASHINGTON (Reuters) -The head of European planemaker Airbus said novel open-rotor technology being tested by engine maker CFM International offers promising efficiencies and reductions in emissions ...

Airbus chief executive Guillaume Faury has made clear he expects the European airframer’s next narrowbody jet will be 25% more efficient than today’s models – and he is banking on CFM International’s ...

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

Wankel engines first saw use in production cars as early as 1964 -- and not even in a Mazda, but rather in an NSU. That little single-rotor powerplant quickly evolved into the more typical two-rotor ...

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 ...

A series of recent patent filings from Safran Aircraft Engines could hint at some of the innovations being contemplated for the RISE open-rotor engine the French firm is developing alongside GE ...

2024: Enter the ram-rotor detonation engine (RRDE) concept Dr. Haocheng Wen and Prof. Bing Wang of Tsinghua University in Beijing, China, have conceptualized a revolutionary new type of engine they ...