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 ...

If you’re managing a commercial fleet today, whether trucks, buses, or heavy equipment, you already understand that engine oil is an essential system that protects your assets, affects uptime, and ...

Following a series of high-level technical reviews, the API Lubricants Standards Group (LSG) has greenlit three critical actions that effectively solidify the framework for the new categories: While ...

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 ...

The American Petroleum Institute (API) announced that the new PC-12 heavy-duty engine oil category has been formally approved ...