Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...

The compression ratio isn’t just a number: it’s one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

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 ...

Why compression ratio suddenly matters so much On paper, compression ratio is a simple concept, the comparison between a cylinder’s maximum and minimum volume as the piston travels from bottom to top ...

An engine loophole in the 2026 regulations has been the subject of recent meetings ...