Modern diesel fuels are designed to reduce emissions, but they also introduce some new challenges because the engine is ...

Water and diesel fuel don't mix. Although all diesel grades contain a minuscule percentage of water from the refinery, moisture in the diesel tank won't cause problems until the water content reaches ...

Red diesel fuel has such a unique color and is so hard to come by that you might think it's some kind of high-performance fuel. Actually, it's just regular diesel with a very specific purpose and a ...

As a diesel owner, I know the hectic heartbreak of trying to keep such an unpopular drivetrain up and running in the U.S. Most people think of big semi trucks when they think of diesel, or they think ...