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

F1 teams expect to get clarity on compression ratio saga very soon ...