AMSOIL Diesel oils API diesel oil specifications. The American Petroleum Institute, or API, is the only national trade association that represents all aspects of America's oil and natural gas industry including production, … [Read more...]
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OEM Diesel license 2017
AMSOIL’s CK-4 diesel products will not carry any OEM licenses at launch. They will be recommended for OEM specifications, but not be licensed. Our new CK-4 products will not be API licensed. The API licensing system is a voluntary certification that sets minimum quality standards, which is important. Because it is a standard, licensing limits the flexibility […]