Formula One’s governing body, the FIA, has reached a compromise with power unit manufacturers to tighten how engine ...

A single line in the technical regulations has sparked months of debate — here’s how the compression ratio saga unfolded and ...

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

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations. Mercedes and Red Bull may ...

Mercedes AMG has been at the centre of F1's latest controversy surrounding engine compression ratios and a loosely worded loophole.

Even before the 2026 calendar year has begun, the first controversy under F1's new ruleset has already surfaced. It concerns the engine regulations, and more specifically the compression ratio of the ...

The compression ratio battle is reaching crunch time.

There’s still another couple of months before the 2026 crop of F1 cars takes to the track for the first preseason test. It’s a year of big change for the sport, which is adopting new power unit rules ...

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 ...

Mercedes will not challenge the outcome as the FIA’s compression ratio e-vote reaches its ...

Frederic Vasseur has commented on the decision reached yesterday following the meeting in Bahrain between the FIA and the power unit manufacturers. The Ferrari team principal said he remains confident ...

With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...