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

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

Mercedes AMG has been at the centre of F1's latest controversy surrounding engine compression ratios and a loosely worded loophole.

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 FIA has announced a timeline to address the ongoing controversy surrounding the Mercedes engine “loophole.” In a press release, the sport’s governing body confirmed that votes have been submitted ...

The FIA: "We want people to be competing on the track and not in the courtroom, or in the stewards room." ...

Audi boss Mattia Binotto has voiced concern over a potential loophole in F1 2026 power unit rules that could shape the championship. Grey areas in the engine regulations-particularly around ...

Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...