F1’s 2026 rules set a 16:1 compression ratio limit for engine cylinders. This caps how much the engine can squeeze fuel before burning it — the more you squeeze, the hotter it gets and the more power ...

Engine compression ratios have become a hot topic ...

A loophole in Formula 1’s new technical regulations offers a way around the 16:1 compression ratio cap, introducing ...

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

With the turn of the calendar into a new year, there always comes increased anticipation for the new racing season that's to come. As Formula 1 begins the lead-up to its 2026 season, there's already ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...

Red Bull technical director Pierre Waché has addressed the topic of Mercedes’ engine compression ratio 'trick'. The compression ratio debate remains one of the hottest topics in the paddock as Formula ...

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

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 ...

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 ...

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

You've probably heard of two- and four-stroke engines, but what are the four strokes of a gasoline engine? And how do they ...