F1 engine dispute: FIA confirms mid-season rule change to power-unit regulations and tweak ...

A new engine test will be introduced after the seventh race of the 2026 Formula 1 season following a power-unit dispute over ...

F1, FIA reach engine compression ratio compromise amid Mercedes dispute

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, with a tweak to the regulations set for June 1 and a further change in ...
Lente Desportiva on MSN

FIA clamps down on F1 engines as hot-temperature test rule sparks Mercedes row

According to ESPN, the FIA will introduce stricter engine compression tests from June 2026, requiring Formula 1 teams to meet the 16:1 ratio limit even at higher operating temperatures, following ...
The New York Times

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

Formula 1 manufacturers have approved changes to the engine testing rules for 2026 following the compression ratio row that has lasted through the offseason. In December, it emerged that Mercedes had ...