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

F1’s 2026 rules set a 16:1 compression ratio limit for engine cylinders. This caps how much the engine can squeeze fuel before burning it — the more you squeeze, the hotter it gets and the more power ...

The engine loophole rumours have sparked much debate.

A late rule change could turn the 2026 season on its head.

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.

Engine compression ratios have become a hot topic ...

Testing in Bahrain takes place this week from Wednesday to Friday between 6pm and 3am (AEDT). You can watch the last hour, plus a post-session analysis program, live on Fox Sports and Kayo from 2am on ...

Max Verstappen believes Mercedes is holding back a significant amount of pace ahead of the 2026 F1 season, and he believes the compression ratio trick makes a bigger difference than Toto Wolff is sugg ...

You're probably familiar with the standard combustion process that powers most cars, but some engines use a more efficient ...

The INNengine e-Rex is tiny and can change compression ratios in the blink of an eye. But that's just the start of what makes it different from other engines.