A running engine produces heat, which expands its metal body, thereby increasing its compression ratio. This is true for ...

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

F1 is bracing for its first major political firestorm of the 2026 era, due to a potential loophole in the engine regulations.

Formula 1 is edging towards its first major dispute of the 2026 era, with a possible engine loophole fuelling tension ...

It was widely anticipated that Formula 1’s 2026 regulation overhaul would spark controversy.  However, the debate has erupted ...

The number indicating the compression ratio of a power unit has become the buzzword in Formula 1 ahead of its eagerly awaited ...

Mercedes and Red Bull face scrutiny as rival teams push the FIA to clarify a key 2026 engine rule, raising the possibility of ...

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 ...

There is intrigue surrounding a niche element of the F1 2026 regulations. PlanetF1.com dives in to explain what it all means.