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 ...

Here’s a news update that should concern all automotive enthusiasts: the general engine oil landscape is evolving again, and as we explore the nuances of this new chemistry you will see that it is ...

Years of work in the lab and millions of miles of road testing has culminated in three new Rotella engine oils formulated to meet the API CK-4 and FA-4 oil-service categories that will start coming on ...

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned. Ad Loading... An update from the American Petroleum Institute said it has made ...