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

Rivals push the sport’s governing body into a midseason tweak as a dispute over compression ratios spills from the garage to ...

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

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

Formula One ’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be ...

With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

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

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

Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

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

Technical manoeuvring to push regulatory boundaries for the slightest performance edge without actually breaking any rules is a familiar pattern in all forms of motorsport. Engineers treat the rule ...

The FIA has confirmed that all five engine manufacturers have agreed to a change to the engine regulations relating to compression ratios effective from 1 June.