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 ...

A diesel engine is simultaneously incredibly simple and incredibly violent, using compression as a means of ignition. This is because of the properties of diesel fuel: Namely, diesel is less volatile ...

Those of us who drive pickup trucks expect quite a bit from our trucks’ engines. As we put them to work, whether that’s on the job, around the farm, or just doing truck stuff, there are things that ...