In this video, I explore a novel rotary engine design that addresses the sealing challenges of traditional rotary vane engines. My new design features two half-moons within an ellipse that allow for ...

When considering rotary engines, the Wankel engine often comes to mind due to its high power-to-weight ratio, though it ...

Professor Aniebiet Inyang Ntui is a multi-faceted individual whose expertise spans the worlds of library and information science, environmental advocacy, and – perhaps surprisingly – the automotive ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

Japanese automakers Toyota, Subaru, and Mazda convened today to announce their collaborative efforts in preserving internal combustion engines by developing a new generation of clean and efficient ...

Mazda's Wankel rotary powerplant boasts a proud and storied endurance racing career that began and ended in truly spectacular fashion. The rotary first took to a European circuit in anger in 1968, ...

While Mazda’s rotary engine re-entered production last year for the first time in over a decade, it sadly was not revived in an exciting sports car but rather serves as a range extender in the MX-30 e ...

Mazda’s rotary engine has been officially reborn, but not quite in the way you might think. Yes, we saw a drop-dead gorgeous Iconic SP rotary-hybrid coupe concept unveiled at last October’s Japan ...

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 ...

The roots of the jet engine can be traced back to before World War II, and they generally still work on the same principles despite having evolved quite a bit since then. Yet there are still ...