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

Mercedes appears safe from Ferrari protest in Melbourne.

BBC Sport Andrew Benson assesses what we learnt - and what we didn't - from the first pre-season test in Bahrain.

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 ...

F1’s 2026 rules set a 16:1 compression ratio limit for engine cylinders. This caps how much the engine can squeeze fuel ...

Lewis Hamilton addressed rumors of a Mercedes compression ratio advantage after Day 1 of Bahrain testing, calling for a level ...

Mercedes could come out on the losing side of a critical vote regarding the engine regulations as other power manufacturers ...

The INNengine e-Rex is described as a one-stroke engine, though it actually has two strokes. But it's not dirty like traditional two-strokes.

A loophole in Formula 1’s new technical regulations offers a way around the 16:1 compression ratio cap, introducing ...

The FIA have issued an update over a supposed loophole found in the F1 engine regulations by Mercedes and Red Bull. F1's apparent engine controversy is centred on the compression ratio of the internal ...