There's a seemingly endless array of letters and numbers to worry about when it comes to motor oil, with one of the newest ...

The American Petroleum Institute (API) estimated that crude oil inventories in the United States fell by a massive 11.12 million barrels in the week ending October 9.

Crude oil prices feed inflation fears as API CEO Mike Sommers analyzes U.S. petroleum reserves falling to their lowest levels since 1982. Sommers discusses the economic impact of record-high diesel ...

By Darryl Purificati, Senior Technical Advisor, OEM/Automotive at Petro-Canada Lubricants, an HF Sinclair brand January 1, ...

The American Petroleum Institute reportedly shows a larger-than-expected build of 10.3M barrels of oil in U.S. commercial stockpiles for the week ending March 27, after increasing by 2.3M barrels in ...

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 ...

The American Petroleum Institute reportedly shows a build of 1.78M barrels of oil in US commercial stockpiles for the week ...

There are a multitude of factors that separate European- and American-spec engine oils, but if we were to pick one, it'd be emissions. Both the European Automobile Manufacturers' Association (ACEA) ...

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 ...

API has published the 17th edition of Spec 5B, adding requirements for advanced thread measurement technologies and updating inspection standards for casing, tubing and line pipe.

Oil industry executives have voiced that reviving Venezuela's oil production will be a long and costly process. Companies will need stable, legally defined frameworks, security for investments, and ...