Diesel engines are known to be reliable and long-lasting, but they can also present unique maintenance issues that you must ...

If you have a diesel-powered vehicle that's been sitting unused for more than a few months, you might be wondering if its fuel has ended up going bad.

Diesel engines are notoriously robust, but if the fuel they run on gets contaminated, the engine can suddenly become much ...

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 ...

Diesel fuel goes bad with time, but additives can make it last longer and improve performance. Photo credit: David Traver Adolphus / AutoGuide.com. If your diesel car, truck, or even farm equipment ...