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

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

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

There’s growing optimism within McLaren and other Mercedes-powered teams that Petronas’ new fuel could provide a notable ...

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

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

A decision has been announced by the FIA regarding the geometric compression ratio controversy, ahead of the 2026 F1 season.

Worn or broken piston rings will make an engine louder and less powerful, and create smoke in the exhaust, as well as increasing oil burn.

A single line in the technical regulations has sparked months of debate — here’s how the compression ratio saga unfolded and what happens next.

It emerged that Mercedes has found a potential advantage with its new engine for the 2026 season relating to the compression ...

Formula 1 teams are testing in Bahrain this week, but a storm is brewing in the background that might turn the season on its head. A rule change could be introduced to rein in the Mercedes power units ...