The compression ratio battle is reaching crunch time.

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 ...

The crux of the matter lies in that the Formula 1 compression ratio is not measured by sensors during engine operation, but statically. The FIA simply compares the ratio in volume in the cylinder ...

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

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

Toto Wolff has said there is no scenario in which Mercedes could take legal action against the FIA over any potential engine rule changes.

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