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 ...

These specs for the latest engine oils cover many lubricant types and include information on various brands, SAE grades, API service classifications, and OEM tests and approvals, all to keep vehicles ...

2027 heavy-duty engines are still a couple of years away. But the American Petroleum Institution is already hard at work on the next generation of oils that will lubricate them. New EPA 2027 emissions ...

Budget and premium diesel motor oils were tested to determine whether higher prices actually translate into better protection ...

Even for major gearheads, choosing the right oil for your car can cause many headaches, so if manufacturer specifications and the multitude of brands weren’t enough, we now have an influx of high ...

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 ...

Diesel engines have been around for more than half a century. Chances are that if you are around fleets or equipment, you have encountered a diesel engine. They have been described as the workhorses ...

This comprehensive overview of 2024 commercial vehicle engine oil specifications includes details from American Refining Group, Amsoil, Castrol Heavy Duty, BP Lubricants, Cenex, Champion, Chevron, ...