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

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 ...

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 ...

Mercedes’ fuel supplier still hasn’t certified their e-fuel for the 2026 Formula 1 season, adding another wrinkle to ongoing engine disputes. Throughout testing in Bahrain, Mercedes’ power unit has ...

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 ...