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

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

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

Some rival teams have suggested Mercedes found a way for components to behave differently when they heat up during use. To address that, the compression ratio will be controlled in both hot and cold c ...

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

Changes to compression ratio tests will be introduced in the summer after a lot of focus on Mercedes' new power unit over pre-season.

FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ...

Formula One's governing body and manufacturers have reached a compromise solution to tackle an engine controversy that had ...

FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ahead of the season.

Formula 1’s simmering engine row has finally boiled over – and the FIA has moved decisively to slam the lid shut.

Swiss marine power company WinGD has announced that its ammonia-fueled X-DF-A engine has passed ...