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

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.

The compression ratio controversy will be addressed with a new test, but not until August.

Formula 1 bosses are moving towards a rule change that would close a loophole rivals believe Mercedes have exploited in the ...

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

Zak Brown dismisses rival complaints on Mercedes' 2026 Formula 1 power units, which his McLaren team uses ...

FIA single seater director Nikolas Tombazis says Formula 1’s governing body is trying to resolve the topic of compression ...

At least 150hp of a Pro Stock engine is due to the use of ultra high compression ratios (CR) of 16:1--or more. 110 octane race fuels make this possible, but don't be fooled into thinking that the use ...

Steve Nielsen believes a late engine rules change for F1 2026 would set a dangerous ...

Toto Wolff has labelled as "utter bulls**t" that the ongoing compression ratio saga means the Mercedes power unit is illegal.

Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...