Formula 1 is entering a new era in 2026 because of its regulation overhaul, which is arguably the biggest in the championship ...

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

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

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

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

A revised test at 130°C aims to end off-season speculation — but could shift the debate into 2027.

Criticism, confusion, finger-pointing, and the new Formula 1 season has not yet started. After 11 days of testing in ...

Toto Wolff has labelled as "utter bulls**t" that the ongoing compression ratio saga means the Mercedes power unit is illegal.

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 ...

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

The FIA has updated the 2026 F1 engine rules, changing how compression ratios are measured to prevent loopholes.