The next-gen heavy-duty engine oil standard (PC-12) has been formally approved, announced the American Petroleum Institute, which also introduced the new CL-4 and FB-4 “donut” certification marks ...

In a statement sent to Rigzone recently, the American Petroleum Institute (API) said it had “strengthen[ed]… offshore safety standards with new updates”. The API announced the release of the third ...

American Petroleum Institute (API) announced the approval of improved performance standards for engine oils that will provide greater protection and fuel efficiency for today’s gasoline-engine-powered ...

Revision of Chapter 14.1 of the API Manual of Petroleum Measurement Standards (MPMS) was published in June 2001. This revision is the result of 7 years of an extensive natural gas sampling methods ...