Formula 1 teams are testing in Bahrain this week, but a storm is brewing in the background that might turn the season on its head. A rule change could be introduced to rein in the Mercedes power units ...

F1’s 2026 rules set a 16:1 compression ratio limit for engine cylinders. This caps how much the engine can squeeze fuel ...

The crux of the matter lies in that the Formula 1 compression ratio is not measured by sensors during engine operation, but statically. The FIA simply compares the ratio in volume in the cylinder ...

The INNengine e-Rex is tiny and can change compression ratios in the blink of an eye. But that's just the start of what makes it different from other engines.

These reliable and iconic engines will likely vanish within the next two decades as the automotive industry shifts towards ...

With the Mazda6 sedan, the Japanese manufacturer celebrated great success over three generations. The fourth edition is now purely electric and built in ...

NASA and GE Aerospace successfully conducted initial ground testing of a hybrid-electric engine demonstrator, marking a key milestone in developing more fuel-efficient aviation technology. The ...

ALAMEDA, Calif.--(BUSINESS WIRE)--Astra today announced it has shipped 110 satellite engine systems since January 1, 2025, surpassing a key operating milestone set when the company went private in ...

Not only are Chinese carmakers redefining the world of EVs, but one of them is now taking on the Wankel rotary engine. Originally designed by German engineer Felix Wankel and later refined into a ...

Changan’s R05E prototype achieves first ignition, signaling renewed interest in rotary engines but for a wilder application. A report from CarNewsChina says Changan, via its Harbin Dongan Auto Engine ...

Formula 1’s new 2026 power units will debut at the Circuit de Catalunya in just over five weeks’ time, but questions over a grey area of the new regulations have already come to light. German outlet ...