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

Formula 1 constructors and the FIA have reached a compromise to quell the compression ratio saga that has dominated the 2026 pre-season ...

Formula One’s governing body, the FIA, has reached a compromise with power unit manufacturers to tighten how engine compression from June ...

Formula One ’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be ...

Formula One's governing body and manufacturers have agreed to change how the compression ratio of engines is measured. The new rules, coming into effect mid-season and in 2027, aim to prevent teams ...

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

The FIA and rival engine manufacturers have reached a compromise to tackle the controversy surrounding Mercedes that had threatened to overshadow next week’s start of the season in Australia ...

The FIA has confirmed changes to the Formula 1 engine compression ratio regulations, with Mercedes powered cars set to suffer ...

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

David Coulthard has criticised the FIA’s rule-making after claims that Mercedes exploited a 2026 compression ratio loophole ...

The compression ratio battle is reaching crunch time.

The compression ratio controversy will be addressed with a new test, but not until August.