Changes to compression ratio tests will be introduced in the summer after a lot of focus on Mercedes' new power unit over pre ...

The FIA confirmed the update following discussions within the sport’s Power Unit Advisory Committee. Under the 2026 ...

The FIA has confirmed changes to the Formula 1 engine compression ratio regulations, with Mercedes powered cars set to suffer ...

The compression ratio controversy will be addressed with a new test, but not until August.

Formula One’s governing body, the FIA, has reached a compromise with power unit manufacturers to tighten how engine ...

Formula One's governing body, the FIA has initiated a significant regulatory process that could reshape how Formula 1 power ...

The compression ratio battle is reaching crunch time.

Formula One's governing body and manufacturers have agreed to change how the compression ratio of engines is measured. The new rules, coming into effect mid-season and in 2027, aim to prevent teams ...

A revised test at 130°C aims to end off-season speculation — but could shift the debate into 2027.

A loophole, an e-vote and weeks of tension — but Coulthard says it was avoidable.