A computer generated power stroke of an internal combustion engine, following ignition - Pathompong Thongsan/Getty Images When comparing engine specs for nearly any combustion engine automobile, we ...

Russell expects Hamilton to mention the Mercedes “compression ratio” talk during their Shanghai flight.

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, ...

Hamilton fears Mercedes’ pace edge may have a controversial ...

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.

Hamilton had high hopes heading into Melbourne but could only put his Ferrari car seventh on the grid, while his old team ...

Formula One's governing body and manufacturers have reached a compromise solution to tackle an engine controversy that had ...

Mercedes' rivals succeed in securing a rule change following a pre-season technical row over engine performance.

A decision has been reached on the geometric compression ratios ...

The FIA has updated the 2026 F1 engine rules, changing how compression ratios are measured to prevent loopholes.