Story perspectives
FIA Tightens F1 Engine Rules Amid Mercedes Controversy
3/2/2026
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Story summary
- The Fédération Internationale de l'Automobile (FIA) amended Formula 1 engine compression rules to measure at ambient and 130°C, effective June 1, 2026.
- David Coulthard, former Formula 1 driver, criticized the FIA for not tightening rules and enabling a loophole.
- Mercedes allegedly exploited the loophole to achieve higher compression when hot, boosting performance.
- Rival manufacturers, including Ferrari and Red Bull, supported the change to level the playing field.
