Heavy-duty engine oil marketers can begin finalizing formulations and preparing product packaging to meet the new oil ...

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 ...

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.

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

Three years from now, you'll see a new API diesel engine oil-service category, designed to help meet federal greenhouse gas/fuel economy standards, which have a final phase-in date set for model year ...

A new heavy-duty engine oil category is on the horizon, with PC-12 now finalized and moving toward market introduction. We ...

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 ...

As the trucking industry moves toward the next generation of diesel engines, the introduction of new oils designed to further enhance fuel efficiency also is on the horizon. The upcoming PC-12 ...