A single line in the technical regulations has sparked months of debate — here’s how the compression ratio saga unfolded and ...

Despite Mercedes having kept the FIA “in the loop” over the compression ratio, the governing body still feels the need to let F1 manufacturers vote. What is the background, and what are the next steps ...

A technical loophole involving thermal expansion has triggered accusations, secret letters to the FIA, and a war of words between teams over who'll dominate the 2026 F1 season ...

Engine compression ratios have become a hot topic ...

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.

Formula One will undergo one of the biggest overhauls in its 75-year history in 2026. Arguably its biggest ever. Never before has there been such a fundamental redesign of both power units and ...

The FIA is racing to resolve a dispute over Mercedes' engine compression ratios before Melbourne after protests from Red Bull, Ferrari, and Audi.

Is the 2026 title already decided? Rivals Audi and Ferrari protest Mercedes' \"thermal expansion trick\" that allegedly ...

Even before the 2026 calendar year has begun, the first controversy under F1's new ruleset has already surfaced. It concerns the engine regulations, and more specifically the compression ratio of the ...

The engine loophole rumours have sparked much debate.

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...