Synthetic motor oil offers many advantages over conventional engine oil. Synthetics resist chemical degradation far better than traditional oils, and they typically have a higher viscosity index that ...

We may receive a commission on purchases made from links. If you've worked with cars for a while or have owned a few, you probably know that different vehicles use different types and classifications ...

If you own a diesel engine, you already know how tough and powerful it can be. Diesel engines are built to last, but even the strongest engines can wear out quickly if they're not looked after the ...

Bill O'Ryan with the American Petroleum Institute updates trucking reporters at TMC on the new PC-12 heavy-duty engine oil category. After several years of development, we're nearing the finish line ...

Oil is the lifeblood of your engine, regardless of whether you're behind the wheel of a Mitsubishi Mirage, Ferrari Roma, or Cummins-powered Ram truck. While every aspect of vehicle maintenance is ...

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 ...