You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

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

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

A gasoline piston engine that can dynamically change its compression ratio —that is, the amount by which the piston squeezes the fuel-air mixture in the cylinder—has long been a holy grail of engine ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations. Mercedes and Red Bull may ...

The compression ratio battle is reaching crunch time.

Formula One’s governing body, the FIA, has reached a compromise with power unit manufacturers to tighten how engine ...