Technical analyst Paolo Filisetti explains just how compression ratio works, but the hidden danger which lurks.

Teams are continuing to press for clarification from the governing body over a response to rumours that two engine manufacturers have exploited loopholes in the wording of the new regulations ...

The compression ratio isn't just a number: it's one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

We all know the age-old maxim, "There's no replacement for displacement." It's the truth. That's why so many sanctioning bodies use displacement and compression rules to limit engine power. Of course, ...

It’s unusual that a technical controversy should arise in Formula 1 before the concept has even been raced but that’s what ...

“Too little compression will usually result in unmet performance expectations. On the high side [too much compression] carries greater risk in tuning and potential component failure if appropriately ...

The FIA is seeking a "black and white" solution to firmly end the growing debate around a controversial alleged F1 engine ...

Veteran Italian journalist Leo Turrini has claimed that Mercedes could enjoy a significant power unit advantage throughout the 2026 F1 season due to the much discussed compression ratio loophole.