Engine compression ratios have become a hot topic ...

A technical loophole involving thermal expansion has triggered accusations, secret letters to the FIA, and a war of words ...

As the 2026 season approaches, Formula 1 must find a way to resolve its compression ratio controversy - but every possible ...

Mercedes AMG has been at the centre of F1's latest controversy surrounding engine compression ratios and a loosely worded loophole.

Mercedes Formula 1 boss Toto Wolff is adamant his squad's power unit is fully legal and is bemused by rival complaints about a compression ratio trick ...

A lot of talk is taking place behind-the-scenes with concerns that Mercedes and Red Bull have found a loophole in the FIA ...

Other F1 teams have raised concerns about Mercedes and Red Bull finding an engine loophole - a topic that is set to remain in the spotlight.

Even before the 2026 calendar year has begun, the first controversy under F1's new ruleset has already surfaced. It concerns the engine regulations, and more specifically the compression ratio of the ...

According to 'autosprint', the German factory's engine will undergo new measurements, but this time while hot, to verify its compression range.

Mercedes appears safe from Ferrari protest in Melbourne.