The compression ratio clarification wasn’t the only one issued by the FIA. For some time now, F1 has used ultrasonic fuel ...

The compression ratio in Mercedes’ and Red Bull's 2026 engines has come under scrutiny in F1, but what’s really behind it?

Opinions are divided about interpretations of compression ratio limits for engines in 2026. Controversies in the new season ...

Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why ...

The compression ratio isn’t just a number: it’s one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

Ferrari complains as Mercedes and Red Bull exploit a compression ratio loophole in 2026 F1 engines, risking a big early-season advantage ...

The World's First Production-Ready Variable Compression Engine Infiniti's has developed the first variable compression ratio ...

Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...

WinGD claims the VCR technology can deliver up to 25% fuel savings and 33% lower methane slip, depending on fuel and engine load.