Do you find the symbols on a container of motor oil baffling? Even if you understand most of them, you may not know the ...

You may be tempted to buy cheap motor oil for your car, but is it a good idea? Here's what you need to know before buying ...

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 ...

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 ...

Since coming under state control, JSC Ukrnafta has implemented more than 100 American Petroleum Institute (API) standards in ...

The transition to CL-4 oils is expected to be backward-compatible, but FB-4 use may depend on OEM approvals for specific engines and applications. Tanks and bottles of heavy-duty diesel engine oil ...

The new API PC-12 heavy-duty engine oil category reflects the changing demands of modern diesel engines. But fleets like ...