Mercedes Formula 1 boss Toto Wolff is adamant his squad's power unit is fully legal and is bemused by rival complaints about ...

Mercedes boss says regulations on compression ratios are “very clear,” tells rivals to “get your shit together.” ...

Mercedes boss Toto Wolff told rival engine manufacturers to “get [their] sh**t together” under the new 2026 regulations ...

Formula 1’s technical landscape is on the verge of a major flashpoint as manufacturers prepare for two high-stakes meetings ...

The compression ratio isn’t just a number: it’s one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

Teams are continuing to press for clarification from the governing body over a response to rumours that two engine ...

The FIA reportedly received complaints from several engine manufacturers over a supposed compression ratio trick. Under the new engine regulations, ...

Strictly defined, compression ratio is the total volume above the piston at bottom dead center (BDC), divided by the total volume above the piston at top dead center (TDC). First, let's look at the ...

You've heard the term compression ratio before, but have you ever wondered exactly what it means? Well, it's time to explain exactly what compression ratio is, and why every carmaker is now obsessed ...

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 ...