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 ...

Formula One's governing body moved to close a suspected loophole in the new engine regulations on Wednesday by proposing a change from August.

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

Engine compression ratios have become a hot topic ...

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

Formula 1's power unit manufacturers will vote on a mid-season change on compression ratios which could significantly impact ...

The statement came after a meeting of the Power Unit Manufacturers with the FIA and Formula One Management in Bahrain on Wednesday morning, while the first day of the second pre-s ...

The FIA has repeatedly cleared Mercedes’ 2026 F1 engine as the power unit meets the 16:1 compression rate test, as the ...

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.

It emerged that Mercedes has found a potential advantage with its new engine for the 2026 season relating to the compression ratio limits.

The rules dictate that the ratio within the new engines cannot exceed 16:1, and is measured at an ambient temperature.

Ferrari have lobbied the FIA to investigate Mercedes’ engine after hearing that their rival can increase the rate of ...