API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, compatibility, and planning.
The American Petroleum Institute (API) has published API Technical Report (TR) 1533, “Lubricants Life Cycle Assessment and Carbon Footprinting – Methodology and Best Practice,” which defines ...
The American Petroleum Institute (API) has licensed approximately 400 CK-4 and more than 60 FA-4 oils submitted by large, medium and small oil marketers. While already significant, API expects ...
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