Part two of the Quest for Power series breaks down rotary and radial engines, why circular layouts solved cooling and reliability, and why they also came with nasty tradeoffs. From WWI rotaries to ...

View post: Amazon Has an ‘Easy to Use’ OBD2 Scanner on Sale for 50% Off A report from CarNewsChina says Changan, via its Harbin Dongan Auto Engine subsidiary, has completed the first ignition of the ...

A CFM conceptual rendering of Open Fan engines on the wings of a jet—not representative of any defined future aircraft configuration. Credit: CFM International As 2026 beckons, commercial ...

Long before Felix Wankel became synonymous with rotary engines, an inventive Hungarian-American engineer named Stephen M. Balzer secured one of the earliest patents for a rotary-powered automobile on ...

The idea of a hybrid-electric engine for supersonic aircraft may elicit a similar initial response, but there is some very firm engineering logic behind it. Put simply, conventional supersonic engines ...

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...

After years of rumors and experimentation behind closed doors, the Mazda rotary engine is officially back. The Vision X-Coupe, a plug-in hybrid concept showcased at the 2025 Japan Mobility Show, has ...

Forbes contributors publish independent expert analyses and insights. Peter Lyon is based in Tokyo and writes about the car industry. At the Japan Mobility Show two years ago, Mazda unveiled a ...

With its “Flightpath 2050” strategy, the European Commission has outlined a framework for the aviation industry that aims to reduce emissions as well as fuel and energy consumption. Among other things ...

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...