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.

Formula One’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be measured midway through this season and in the 2027 season. New ...

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 ...

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

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

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

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

A 5,000-pound electric SUV on a frozen rally cross circuit sounds like a recipe for disaster, but the Polestar 4 proves that weight and ice can coexist. I didn’t expect a ...