Heavy-duty engine oil marketers can begin finalizing formulations and preparing product packaging to meet the new oil ...

It’s an advanced, next-generation engine oil standard focusing on ultra-low viscosity oils for modern engines. When purchasing oil, look for the API Service Symbol "Donut" on the label, which is an ...

PC-12 has been fully approved by API and will replace CK-4 and FA-4 engine oils starting in 2027. The new engine oil category includes FB-4 for lower-viscosity oils and CL-4 for higher-viscosity ...

The oil and gas industry’s largest trade group has issued new guidelines for pipeline companies intended to smooth relations with landowners, but the move could fuel demands to release more ...

Shell's Dan Arcy explains how oils protect against scuffing or adhesive wear in the cylinders and liners in an earlier engine teardown. (Photo: Deborah Lockridge) A proposed test for adhesive wear, or ...

Engine oil is the lifeblood of an engine, directly influencing its longevity, efficiency, and performance. Yet many drivers remain unsure about what those numbers and letters—like 0W-20 or API ...