The polarizing 6.0 Liter Power Stroke was supposed to rise to the top of the segment, instead it's many problems caused its fall from grace.

Most people pump diesel without thinking about what's in the nozzle, but the stuff has a long journey before it hits your fuel tank. Diesel doesn't magically come out from underground — it's ...

If you thought diesel fuel additives were merely store-bought products at your favorite auto store, you'd better think again. Fuel suppliers, refineries, and manufacturers are the biggest market for ...

Diesel-powered submarines present a challenge that may seem paradoxical at first. Their engines require ...

Like any other stored commodity, diesel fuel deteriorates with time, especially if it is kept motionless in tanks used for fleet systems, marine engines, or backup generators. Recognizing bad diesel ...

Internal combustion engines are incredibly complicated machines that many of us interact with on a daily basis, but don't completely understand. You get in your car, turn the key or push the start ...

Based on our real-world tests, here’s a look at the fuel efficiency figures of the diesel-automatic version of the Tata ...