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 bosses are moving towards a rule change that would close a loophole rivals believe Mercedes have exploited in the sport's new engine rules.

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

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

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 ...

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 ...

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 ...

A revised test at 130°C aims to end off-season speculation — but could shift the debate into 2027.

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 ...

Nissan’s variable compression engines have caught the attention of U.S. safety regulators, following multiple reports of alleged engine failure, loss of power, engine knocking, and metal chunks and ...