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

Engine compression ratios have become a hot topic ...

A late rule change could turn the 2026 season on its head.

Motorsports journalist Rob Peeters explains the Formula 1 compression ratio controversy, how IndyCar secured its engine contracts and previews the Daytona 500.

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

Lewis Hamilton addressed rumors of a Mercedes compression ratio advantage after Day 1 of Bahrain testing, calling for a level ...

Karun Chandhok says Mercedes is playing a "clever game" after Toto Wolff talked up the Red Bull engine ahead of a potential crucial vote on Mercedes' power unit. The ...

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

The FIA are set to review proposal by manufacturers which could see the ban of Mercedes compression ratio trick before the ...

Aston Martin team principal Adrian Newey admits he's "biased" when it comes to Formula 1's engine controversy.

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 ...