The legality over the Mercedes compression ratios – which measure how much the air-fuel mixture inside an engine cylinder can be compressed – has been of hot debate during F1 2026 pre-season ...

With Mercedes under scrutiny and race start fears growing, Wheatley sends a calm but pointed message.

Clarity on a resolution regarding the ongoing power unit compression ratio saga could emerge within the next few days.

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

F1 testing 2026 live: Red flag after Lance Stroll crash with Lewis Hamilton out on track in Bahrain - Follow live F1 coverage from the Bahrain International Circuit at the final test before the 2026 s ...

Should you go with a naturally aspirated engine or a turbocharged one? Both have pros and cons, but we think one engine type ...

Motorsports journalist Rob Peeters explains the Formula 1 compression ratio controversy, how IndyCar secured its engine contracts and previews the Daytona 500.

The rules dictate that the ratio within the new engines cannot exceed 16:1, and is measured at an ambient temperature.

You're probably familiar with the standard combustion process that powers most cars, but some engines use a more efficient ...

Formula 1's new era was always going to bring questions, but its first week of serious running has raised more than most.

Toto Wolff insists Mercedes' new F1 engines are legal, but rival manufacturers are pushing for the FIA to outlaw the design ...

F1’s 2026 rules set a 16:1 compression ratio limit for engine cylinders. This caps how much the engine can squeeze fuel before burning it — the more you squeeze, the hotter it gets and the more power ...