Engine compression ratios have become a hot topic ...

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 ...

Zak Brown has dismissed the swelling controversy over compression ratios and Mercedes power units as nothing more 'typical ...

F1’s 2026 rules set a 16:1 compression ratio limit for engine cylinders. This caps how much the engine can squeeze fuel ...

Stock car racing engines are all about efficiency. That's because all the simple solutions for making power have either been maximized or eliminated by the rule book. You aren't allowed power adders ...

In a conventional piston engine, the compression ratio defines the relationship between the largest and smallest volume of a cylinder - when its piston is at bottom dead centre and top dead centre ...

A technical loophole involving thermal expansion has triggered accusations, secret letters to the FIA, and a war of words between teams over who'll dominate the 2026 F1 season ...

A lot of talk is taking place behind-the-scenes with concerns that Mercedes and Red Bull have found a loophole in the FIA ...

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

Toto Wolff has ruled out Mercedes responding to any late engine rule changes with legal action against the FIA.

Stock car racing engines are all about efficiency. That's because all the simple solutions for making power have either been maximized or eliminated by the rule book. You aren't allowed power adders ...

In a conventional piston engine, the compression ratio defines the relationship between the largest and smallest volume of a cylinder - when its piston is at bottom dead centre and top dead centre ...