In addition to the oil type, you'll want to pay attention to the API service category and viscosity ratings shown on the labels of even the best motor oil brands before pouring them into your engine.

Motor oil containers or packaging normally have labels that show the API (American Petroleum Institute) specifications of the oil. Among the many numbers and letters indicated as the product ...

With so many options for motor oil, it can be overwhelming finding the perfect option for your vehicle. We go over the details to help you understand which engine oil is best for your car.

The API Motor Oil Guide provides current information. Latest in Oils, Lubricants & Greases. Sponsored Content. THESE CLASS 7 FUEL/LUBE TRUCKS JUST GOT MAJOR UPGRADES. April 1, 2025.

American Petroleum Institute (API) announced the approval of improved performance standards for engine oils that will provide greater protection and fuel efficiency for today’s gasoline-engine ...

WASHINGTON—When it comes to trust, it's hard to beat the approval of MOM, at least that's the aim of a recently launched American Petroleum Institute (API) motor oil installer licensing program. MOM ...

I f you've ever bought a quart of motor oil for your vehicle, you've likely encountered the letters API somewhere on the label. In fairness, there are a lot of abbreviations, symbols and odd ...