In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

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

Formula 1 constructors and the FIA have reached a compromise to quell the compression ratio saga that has dominated the 2026 pre-season ...

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

We may receive a commission on purchases made from links. While browsing auto repair and maintenance tools at your local parts store, you've likely come across compression testers like the Orion Motor ...