The American Petroleum Institute (API) estimated that crude oil inventories in the United States rose by 5.6 million barrels in the week ending February 27, after adding 11.4 million barrels in the ...

The American Petroleum Institute reportedly shows a surprise draw of 1.7M barrels of oil in U.S. commercial stockpiles for the week ending March 6.

The oil and gas industry’s largest trade group has issued new guidelines for pipeline companies intended to smooth relations with landowners, but the move could fuel demands to release more ...

The American Petroleum Institute’s chief executive spoke about fuel costs as well as artificial intelligence at a conference Thursday. American Petroleum Institute CEO Mike Sommers said Thursday that ...

Three years from now, you'll see a new API diesel engine oil-service category, designed to help meet federal greenhouse gas/fuel economy standards, which have a final phase-in date set for model year ...