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

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

Technical manoeuvring to push regulatory boundaries for the slightest performance edge without actually breaking any rules is ...

Engine compression ratios have become a hot topic ...

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

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they can survive that punishment starts with how fiercely they squeeze the air ...

The engine loophole rumours have sparked much debate.

A.Here's a pressure-volume diagram for a combustion engine. Although rough, it is an approximation of the so-called air-standard cycle. '' Point (a) is at atmospheric pressure, after which the air is ...

Nissan's innovative variable compression engines were a fascinating innovation when they were first revealed, but the jury is still out on whether or not the combustion technology will stick around. A ...

Gasoline engines operate on the Otto cycle, relying on standard four- or two-stroke combustion. What is the Atkinson cycle, ...