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 ...

The Additional Development and Upgrade Opportunities (ADUO) will be a bigger factor in Ferrari finding engine performance, ...

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

There are other forms of racing where the cars are designed to be equal (e.g. Race of Champions). F1 and most other series are not that. As others pointed out, there is a long storied history of ...

The FIA have announced changes to Formula 1's power unit regulations, most notably surrounding compression ratio, which have caused controversy over the winter. When the 2026 power unit regulations ...

Even before the 2026 calendar year has begun, the first controversy under F1's new ruleset has already surfaced. It concerns the engine regulations, and more specifically the compression ratio of the ...

The General Motors LT1 engines might be long-running, but the mills it has adorned are quite different. So which LT1 is which ...