Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

Engine oil is the lifeblood of your vehicle. In the harsh environment where numerous metal components inside the engine mesh together dozens of times per second, if the engine oil fails to perform its ...

GHENT, WV (WVNS) – It is important to put the correct engine oil in a vehicle in order for it function properly. According to the American Automobile Association (AAA) website, engine oil must adhere ...

The American Petroleum Institute (API) is finalizing PC-12 engine oil specs for 2027. Learn about CL-4 and FB-4 licensing ...

Motor oil is the lifeblood of your car's engine. Not only does it provide lubrication for all of your engine's internal moving parts — of which there are massive amounts — but it also works like a ...

Diesel has had a rough go of it during the last few years, but an increasingly commonplace technology is working to change the fuel's image and make diesel vehicles viable for the future. Kyle Hyatt ...

The numbers in a multi-grade rating represent the oil’s viscosity, or thickness. The higher the number, the thicker the oil. The best oils are a happy medium; neither thick like sludge nor thin like ...

Valvoline Global Operations has announced the release of the first OEM-approved tri-fuel engine oil, engineered to extend oil drain intervals by up to 25,000 miles. At TMC, the oil marketer introduced ...

Your engine’s oil pressure is one of those things that needs to be just right. If it’s too high or too low, it can be indicative of other problems. This is especially true with high oil pressure, as ...

The new heavy-duty engine oil category, PC-12, is nearing the finish line. Here’s what fleet maintenance managers should know before it arrives in 2027.