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

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

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

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 ...

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

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

The FIA will reportedly hold a second early-week meeting with technical experts, with the engine compression ratio debate set to be put on the table ahead of PUAC. According to The Race, the meeting ...

The FIA has adjusted F1's regulations after the Mercedes engine controversy. Formula 1 bosses have confirmed a rule change to ...

Preseason testing for the new Formula 1 season ends in Bahrain, with teams not putting their cars on a track until the first practice session of the Australian Grand Prix weekend on March 6.