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 ...

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 ...

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. Mercedes and Red Bull may ...

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

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

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

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

The FIA confirmed the update following discussions within the sport’s Power Unit Advisory Committee. Under the 2026 ...

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 ...

The compression ratio battle is reaching crunch time.

One of the key variables for an internal combustion engine is its compression ratio. This is the ratio of the maximum volume within the cylinder (when the piston is at bottom dead center) and the ...