Diesel engines rely on different types of fuel injection. Mechanical was used early on, but common rail became more popular for a few reasons.

Today’s diesel-engine builders fight a never-ending battle for better economy and power, while keeping emissions within increasingly stringent standards. Designing new powerplants for use with ...

Ever wondered which injectors are in your truck, what they look like, or even how they work? Throughout the progression of diesel injection systems, this component has gone from extremely simple to ...

Diesels are smelly, smoky and loud, right? Not if my advance trial of Cummins’ new 6.7-liter QSB common-rail diesel is any indication. This marine power plant offers clean, Tier 3 emissions as rated ...