And oil companies have been quick to respond, saying their products already meet the new standards, scheduled for licensing Sept. 1. In July, both Shell and ChevronTexaco Global Lubricants announced ...

HOUSTON, Tex. – The American Petroleum Institute recently established new performance standards for its CI-4 category, requiring qualifying oils to handle soot better and improve shear control, in ...

Two new categories of diesel engine oil will replace the existing single CJ-4 heavy-duty engine oil classification to address diverging needs.

If 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 number ...

If 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 number ...

API licensing and certification of its Group III base oil will lead to higher prices for Gen III’s offtakes over uncertified base oils.

Both API and EIA reports can influence crude oil prices, though the API is often used as a preliminary indicator. Read more here.

Between the two major crude oil inventory reports from the API and the U.S. EIA, one is usually more highly regarded. Find out why.