You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

Another term which has come up a lot in the build-up to the 2026 season is ‘compression ratio’. This is the ratio between the ...

Rivals push the sport’s governing body into a midseason tweak as a dispute over compression ratios spills from the garage to ...

A Formula 1 rules revolution is making cars lighter and smaller for 2026, with more electrical power. After the biggest changes in years, F1 teams are dealing with a whole new driving style and trying ...

Mercedes' rivals succeed in securing a rule change following a pre-season technical row over engine performance.

Motorsport Week Deputy Editor James Phillips discusses the forthcoming summertime Formula 1 rule tweak that could hurt ...

The FIA have confirmed that new rules will be in place to prevent compression ratios going above 16:1 effectively closing a ...

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, ...

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

A gasoline piston engine that can dynamically change its compression ratio —that is, the amount by which the piston squeezes the fuel-air mixture in the cylinder—has long been a holy grail of engine ...

A decision has been reached on the geometric compression ratios ...

The compression ratio battle is reaching crunch time.