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Engine compression ratios have become a hot topic ...

Mercedes could see its power units restricted after the Power Unit Advisory Committee proposed measures to the FIA to prevent the German marque from using its compression-ratio trick. Over the winter, ...

Mercedes reportedly exploited the compression ratio loophole as the FIA overhauled the power unit regulations going into the 2026 season. A vote is now set to be taken in the coming week over the same ...

Reports of Mercedes exploiting the compression ratio loophole with the 2026 power unit started circling the paddock weeks after the 2025 season ended. Amid speculation and complaints from the rivals, ...

A loophole in Formula 1’s new technical regulations offers a way around the 16:1 compression ratio cap, introducing controversy before the season even starts. Technical manoeuvring to push regulatory ...

Ferrari is planning to include a Mercedes-style compression ratio trick in the design of its new engine for the F1 2027 season, it has been claimed. It comes after it emerged last week that Mercedes’ ...

An unconfirmed theory about how Mercedes and Red Bull have circumvented F1’s power unit compression ratio regulations has emerged in Germany. Pre-season has been dominated by concerns that a loophole ...

The FIA have expressed their hope of finding a solution to the pre-season controversy surronding compression ratios. In the weeks leading up to the 2026 season's curtain raiser in Melbourne, Australia ...