Some rival teams have suggested Mercedes found a way for components to behave differently when they heat up during use. To address that, the compression ratio will be controlled in both hot and cold c ...

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 FIA has proposed a new approach to the way it tests for compression ratio limits, with Formula 1's power unit manufacturers to vote on whether to approve a mid-season change that could hamper ...

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

A simmering technical row in Formula 1 is hurtling toward a decisive moment, as the sport’s five engine manufacturers prepare to cast votes.

The compression ratio battle is reaching crunch time.

The FIA has issued a statement on the status of the compression ratio ...

Mercedes boss Toto Wolff has dismissed Formula 1’s escalating compression ratio controversy as “a storm in a teacup”.

At first glance, the concept of engine compression is simple enough:It's the ratio of the volume of the combustion chamber and bore when thepiston is at bottom dead center (BDC) versus when it is at ...