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

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 ...

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

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

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

The FIA have confirmed that new rules will be in place to prevent compression ratios going above 16:1 effectively closing a ...

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

Motorsport Week Deputy Editor James Phillips discusses the forthcoming summertime Formula 1 rule tweak that could hurt ...

Engine compression ratios have become a hot topic ...