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

Formula 1 teams are testing in Bahrain this week, but a storm is brewing in the background that might turn the season on its head. A rule change could be introduced to rein in the Mercedes power units ...

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 ...

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

Hamilton fears Mercedes’ pace edge may have a controversial ...

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

Mercedes' rivals succeed in securing a rule change following a pre-season technical row over engine performance.

F1 ’s governing body, the FIA, and the sport’s manufacturers struck a deal over the engine controversy that threatened to overshadow the first race of the season in Australia. Melbourne will host the ...

Hamilton addresses rumors of Mercedes’ technical advantage after day one of preseason Bahrain testing. Concerns raised about Mercedes’ fuel loads, engine modes, and possible compression ratio edge.

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 ...