Rivals push the sport’s governing body into a midseason tweak as a dispute over compression ratios spills from the garage to ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

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

Aston Martin team principal Adrian Newey admits he's "biased" when it comes to Formula 1's engine controversy.

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

The compression ratio saga continues ...

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 ...

Ferrari, Audi, and to a lesser extent, Honda loudly demanded that the FIA introduce a new method of measuring the engine's compression ratio, which would render Mercedes' power unit 'illegal'. A ...

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

A Formula 1 rules revolution is making cars lighter and smaller for 2026, with more electrical power. After the biggest ...