API PC-12 oil specification approved with CL-4 and FB-4 marks available ahead of 2027 licensing and new engine oil performance standards.

API Service Category CL-4 and API FB-4 'Donut' certification marks enable oil marketers to align with 2027 heavy-duty engine standards.

Heavy-duty engine oil marketers can begin finalizing formulations and preparing product packaging to meet the new oil ...

API okays new diesel engine oils for model year 2027. Plus, two fleet owners among four sentenced in USPS bribery scheme; ...

The American Petroleum Institute (API) estimated that crude oil inventories in the United States rose 3.719 million barrels ...

The transition to CL-4 oils is expected to be backward-compatible, but FB-4 use may depend on OEM approvals for specific ...

The American Petroleum Institute (API) estimated that crude oil inventories in the United States rose by a staggering 10.263 million barrels in the week ending March 27 ...

The American Petroleum Institute (API) and ethanol stakeholders are joining forces in urging President Donald Trump to help secure U.S. legislation allowing year-round use of higher blends of the corn ...

The CEO of the American Petroleum Institute said oil and gas companies are looking for laws and regulations that will outlast the new administration. One of the country’s most powerful oil and gas ...