A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations.

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 ...

F1 teams expect to get clarity on compression ratio saga very soon ...

Ferrari and other rivals are pushing the FIA to ban Mercedes' engine compression loophole before the 2026 F1 season opener in Australia.

A late rule change could turn the 2026 season on its head.

Engine compression ratios have become a hot topic ...

F1’s 2026 rules set a 16:1 compression ratio limit for engine cylinders. This caps how much the engine can squeeze fuel before burning it — the more you squeeze, the hotter it gets and the more power ...

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

Zak Brown has dismissed the swelling controversy over compression ratios and Mercedes power units as nothing more 'typical ...