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 late rule change could turn the 2026 season on its head.

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 ...

Formula 1’s new 2026 power units will debut at the Circuit de Catalunya in just over five weeks’ time, but questions over a grey area of the new regulations have already come to light. German outlet ...

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

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 ...

Kimi Antonelli driving for Mercedes on the first day of the second 2026 F1 preseason test, which is taking place in Bahrain Peter Fox / SAKHIR, Bahrain — Formula 1 kicked off its second preseason ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...