January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.

The American Petroleum Institute (API) has asked the USA road regulator to cancel a planned gradual increase in fuel efficiency requirements, which the industry group says effectively bans liquid-fuel ...

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 ...

Investing.com -- U.S. crude oil stockpiles possibly rose by 1.2 million barrels in the just-ended week, for the first such climb in five weeks, according to a report by petroleum industry group API ...