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

Formula 1 bosses are moving towards a rule change that would close a loophole rivals believe Mercedes have exploited in the sport's new engine rules.

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

You've probably heard racers talking about leakdown testing as a method of verifying engine condition. Being a hot rodder, you've probably performed a similar function by using a compression tester to ...

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

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

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

While the FIA has signed off on Mercedes’ 2026 engine, rival teams aren’t happy with how the private test was handled at ...

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, with a tweak to the regulations set for June 1 and a further change in ...

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