F1 manufacturers agree to engine testing rule change after compression ratio row

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

FIA Proposes New Engine Testing Rules for 2026 Amid Mercedes Power Unit Concerns

FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ...

Why F1’s boiling drama over engine compression ratios matters for the 2026 season

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a ...
GPToday.net

Ferrari pushes for FIA ban on Mercedes engine 'trick'

Ferrari and other rivals are pushing the FIA to ban Mercedes' engine compression loophole before the 2026 F1 season opener in Australia.

F1 engine dispute: FIA propose mid-season rule-change after talks during pre-season testing in Bahrain

Formula 1s engine dispute will be resolved before the season-opening Australian Grand Prix after talks were held in Bahrain ...
Mathrubhumi English

FIA changes F1 engine rules mid-season: New compression ratio checks introduced

The FIA has updated the 2026 F1 engine rules, changing how compression ratios are measured to prevent loopholes.
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F1 Testing Results: Bahrain timesheets as Russell dominates on day FIA proposes new engine test

All the times from the first day in Bahrain ...

FIA Announce Proposal for Controversial Engine Rule Involving Mercedes

The organization's announcement could finally bring a huge contention point regarding the 2026 regulations to a close if the ...
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FIA to hold second meeting with technical experts over engine loophole debate

The FIA will reportedly hold a second early-week meeting with technical experts, with the engine compression ratio debate set to be put on the table ahead of PUAC. According to The Race, the meeting ...