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

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

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

The compression ratio battle is reaching crunch time.

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 ...

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 ...