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

Another term which has come up a lot in the build-up to the 2026 season is ‘compression ratio’. This is the ratio between the ...

The FIA confirmed the update following discussions within the sport’s Power Unit Advisory Committee. Under the 2026 ...

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, ...

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 ...

The FIA has updated the 2026 F1 engine rules, changing how compression ratios are measured to prevent loopholes.

A revised test at 130°C aims to end off-season speculation — but could shift the debate into 2027.

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 ...

Toto Wolff has labelled as "utter bulls**t" that the ongoing compression ratio saga means the Mercedes power unit is illegal.

Nissan's Decherd plant runs extensive testing on VQ V6 engines including 300-hour durability runs and monthly quality checks ...