Formula 1 teams are testing in Bahrain this week, but a storm is brewing in the background that might turn the season on its head. A rule change could be introduced to rein in the Mercedes power units ...

Gasoline engines operate on the Otto cycle, relying on standard four- or two-stroke combustion. What is the Atkinson cycle, ...

F1’s 2026 rules set a 16:1 compression ratio limit for engine cylinders. This caps how much the engine can squeeze fuel ...

The crux of the matter lies in that the Formula 1 compression ratio is not measured by sensors during engine operation, but statically. The FIA simply compares the ratio in volume in the cylinder ...

Join me as I tackle the challenges of repairing and rebuilding my custom rotary valve engine after a dramatic failed start ...

Mercedes boss says regulations on compression ratios are “very clear,” tells rivals to “get your shit together.” ...

While engine performance across manufacturers has largely been balanced in recent years, the 2026 changes could deliver significant, potentially decisive gains. In 2014, when F1 first introduced ...

Compression ratios will be at the top of the FIA’s agenda in a meeting with F1 teams to head off growing fears before the 2026 season gets under way Unveiling their new engine in Tokyo should have ...