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 ...
January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned. An update from the American Petroleum Institute said it has made significant ...
FLEET OWNER learned today that on December 4th, the ASTM Heavy Duty Engine Oil Classification Panel met and unanimously voted in the tests and limits needed to establish the new API CI-4 oil-service ...
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