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

The American Petroleum Institute reportedly shows a larger-than-expected build of 6.1M barrels of oil in US commercial ...

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

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 ...

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

The substantial increase in crude inventories suggests a weaker demand for oil than anticipated, a development that could ...

The American Petroleum Institute (API) announced that the new PC-12 heavy-duty engine oil category has been formally approved ...

The current data, reflecting a larger-than-expected increase, may suggest a weakening in demand or an overestimation in the anticipated drawdown of inventories. This development could have ...

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 ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. America’s oil industry released its wish list for the incoming Trump administration ...