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

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

How do F1 engines work? What are the differences between a Formula One engine and a normal car engine? In this video I give a basic overview of F1 engines, and talk about some of the things that ...

The cars, now energy-starved, must be driven cleverly to keep recharging the battery across a lap. Tactics such as dropping ...

The crux of the matter lies in that the Formula 1 compression ratio is not measured by sensors during engine operation, but statically. The FIA simply compares the ratio in volume in the cylinder ...

Engine compression ratios have become a hot topic ...

Is the 2026 title already decided? Rivals Audi and Ferrari protest Mercedes' \"thermal expansion trick\" that allegedly ...

Illustration: Kelsea Petersen / The Athletic; Takashi Ayoma / Getty, Antonio Calanni / AP Formula 1’s car design revolution for 2026 is the biggest in a generation. Not only are the chassis designs ...

There are a couple of new power unit manufacturers in F1 ...

There is a dispute between F1s teams over a rule limiting the compression ratio in the new power units for 2026; watch the ...

Trackside observes noted that Verstappen was among the first drivers this week to adopt an aggressive downshifting style in an apparent bid to keep engine revs up to charge the battery while braking.