A Formula 1 rules revolution is making cars lighter and smaller for 2026, with more electrical power. After the biggest ...

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 measured midway through this season and in the 2027 season. New engine ...

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.

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

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 ...

F1 teams expect to get clarity on compression ratio saga very soon ...

The FIA has launched an e-vote with the power unit manufacturers, aimed at introducing a new compression ratio methodology from August 1. The governing body has confirmed the nature of the proposed ...