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-powered ...

The American Petroleum Institute (API) says it has licensed approximately 400 CK-4 oils and more than 60 FA-4 oils submitted by marketers, making the robust new classifications available to operators ...

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned. An update from the American Petroleum Institute said it has made significant ...

The American Petroleum Institute (API) has licensed approximately 400 CK-4 and more than 60 FA-4 oils submitted by large, medium and small oil marketers. While already significant, API expects ...

When licensing and distribution begin for the two new heavy-duty diesel engine oils in December, it’s paramount for fleets and owner-operators to be aware of the new categories and ensure they’re ...

Friction is the enemy of efficiency. At least that’s the case in internal combustion engines. That's why oil is such an important ingredient to the longevity of an engine’s life, as well as its ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...

Of all the advanced technologies that have impacted the automobile, some of the most significant, and perhaps the most seldom recognized, are the advancements in lubricants. And while modern engines, ...