The American Petroleum Institute (API) estimated that crude oil inventories in the United States fell by 4.4 million barrels in the week ending April 17 ...

Diesel engines work under extreme heat, pressure, and soot, demanding oils with specialized additives, viscosity grades, and API certifications. Choosing the right oil isn’t just about brand ...

This substantial reduction in crude inventories contrasts sharply with the previous report, which indicated an increase of 6.1 million barrels. The shift from a considerable build-up to a notable ...

API PC-12 oil specification approved with CL-4 and FB-4 marks available ahead of 2027 licensing and new engine oil ...

Climate experts and advocates warn House and Senate bills will protect polluters at the cost of the climate ...

Oil companies have done extensive testing of CK-4 and FA-4 engine oils to help give engine makers and fleets confidence in the ability of these oils to protect engines and even extend drain intervals.

Three years from now, you'll see a new API diesel engine oil-service category, designed to help meet federal greenhouse gas/fuel economy standards, which have a final phase-in date set for model year ...

Oil prices jumped as markets react to escalating tensions after Qatar said Iranian missile strikes damaged a key liquefied ...

Truck and engine manufacturers are in the final stages of launching engines compliant with new, stricter emissions regulations, and those next-generation engines will bring with them next-generation ...