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

PC-12 has been fully approved by API and will replace CK-4 and FA-4 engine oils starting in 2027. The new engine oil category includes FB-4 for lower-viscosity oils and CL-4 for higher-viscosity ...

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

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

The updated SL keeps its design changes restrained, but the powertrain updates are the real story here ...

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

Vice President Vance, Interior Secretary Doug Burgum and Energy Secretary Chris Wright are meeting with oil executives as prices soar over the conflict in Iran. A spokesperson for the American ...

WTI steadies as rising tensions between the United States and Iran boost a supply disruption premium for crude prices. An Iranian drone incident and threats near a U.S.-flagged vessel in the Strait of ...

Making the CL-4 and FB-4 service symbols available now allows oil marketers to prepare for a smooth transition as we approach the 2027 model year,” the American Petroleum ...

Crude oil futures rise as API reports a 2.42M-barrel inventory draw; EIA data now in sharp trader focus. Ukraine peace talks stall, fueling geopolitical risk premium in crude oil markets and ...

It's as crazy as it sounds. Rolls Royce developed a diesel rotary engine for military applications. Because diesel engines require high compression ratios for compression ignition to occur, they used ...

Having DISCOVERED the costs of tariffs, President Donald Trump has now discovered the costs of war. On March 9th he declared that his campaign against Iran would be over “very soon”, sending oil ...