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 ...

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

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

Formula 1’s next-generation power units are not even on the grid yet and they are already reshaping the competitive landscape. At the heart of the storm is a seemingly dry technical detail, the ...

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 ...

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 ...

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.

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 ...

An unconfirmed theory about how Mercedes and Red Bull have circumvented F1’s power unit compression ratio regulations has emerged in Germany. Pre-season has been dominated by concerns that a loophole ...