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

Mercedes' rivals succeed in securing a rule change following a pre-season technical row over engine performance.

Formula 1s engine dispute will be resolved before the season-opening Australian Grand Prix after talks were held in Bahrain ...

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

The FIA confirmed the update following discussions within the sport’s Power Unit Advisory Committee. Under the 2026 ...

The FIA has confirmed changes to the Formula 1 engine compression ratio regulations, with Mercedes powered cars set to suffer ...

Formula One’s governing body, the FIA, has reached a compromise with power unit manufacturers to tighten how engine ...

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

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