From June 1, the FIA will impose tougher tests on F1 power units in an attempt to clamp down on the compression ratio saga, but what tolerances will be permitted under the new tests?

Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an engine's fuel efficiency?

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, ...

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 ...

Mercedes' rivals are pushing for a change to the F1 2026 rules ahead of the Australian Grand Prix over a potential engine ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations. Mercedes and Red Bull may ...

At first glance, the concept of engine compression is simple enough:It's the ratio of the volume of the combustion chamber and bore when thepiston is at bottom dead center (BDC) versus when it is at ...

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

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 ...

Melbourne will host the first race of the season with the new era bringing huge challenges to teams through engine and chassis regulations. The Silver Arrows insist any change will make no difference ...