Variable geometry turbos promise better boost and efficiency, but do all Cummins engines include them? Dive into the tech and ...

The benefits of turbocharging range from increased power (due to an increase in the air-fuel mixture) to better efficiency ...

Since then, through years of repair work and hands-on ownership, I've worked on and maintained dozens of turbo-diesel engines -- and I've seen firsthand how long they can last with proper care ...

Mitsubishi Motors is a pioneer of many things in the automotive industry, including some of the first production direct injection diesel engines, or DI-D.