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

You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

Formula 1 constructors and the FIA have reached a compromise to quell the compression ratio saga that has dominated the 2026 pre-season ...

Mercedes' rivals succeed in securing a rule change following a pre-season technical row over engine performance.

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

Formula One’s governing body, the FIA, has reached a compromise with power unit manufacturers to tighten how engine ...

Formula 1 bosses are moving towards a rule change that would close a loophole rivals believe Mercedes have exploited in the ...

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 ...

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 ...

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 ...

Nissan brought the first, and only, variable-compression engine to market. But its future doesn't look bright. Complexity in ...

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 ...