Motorsport Week Deputy Editor James Phillips discusses the forthcoming summertime Formula 1 rule tweak that could hurt ...

The latest Formula 1 news, with just over a week until the first Grand Prix of the season gets underway in Melbourne, where teams will renew their rivalries ...

Changes to compression ratio tests will be introduced in the summer after a lot of focus on Mercedes' new power unit over pre ...

Formula One’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be ...

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

The first real controversy of F1’s new era. The engine rules set out a compression ratio of 16:1, a measurement of how tightly the pistons squeeze the mixture of fuel and air before it ignites. In ...

A decision has been reached on the geometric compression ratios ...

All the latest F1 news ahead of the first race week of 2026 ...

FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ahead of the season.

For the Grand Prix races of the mid-1930s, the technical rule book was remarkably simple: it said little more than “a race car must not weigh more than 750kg”. As long as designers met that condition, ...