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

API Service Category CL-4 and API FB-4 'Donut' certification marks enable oil marketers to align with 2027 heavy-duty engine standards.

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

Making the CL-4 and FB-4 service symbols available now allows oil marketers to prepare for a smooth transition as we approach the 2027 model year,” the American Petroleum ...

Last year after working with auto manufacturers and others, API announced the approval of improved performance standards for engine oils which will provide greater protection and fuel efficiency for ...

The most current API SN oil category for gasoline engine oils are soon to be superseded by new gasoline engine oil standard aimed at providing greater protection and fuel efficiency for today’s ...

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 ...

And some time has passed since the last diesel engine oil category was introduced in 2017 when the American Petroleum Institute (API) announced CK-4 and FA-4. These updated oil standards were, at the ...

When you change oil in your gasoline-powered pickup truck or vehicle, do you take a second to look at the API (American Petroleum Institute) symbol on the container to make sure you’re using the ...