Yet compliance alone does not differentiate suppliers — what separates reliable vendors from cost-cutting alternatives is the ...

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 ...

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 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 ...

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 ...

A new heavy-duty engine oil specification designed to support next-generation diesel engines is nearing completion and ...