On Thursday, Dec. 1, the American Petroleum Institute’s (API) new diesel engine oil standards, API CK-4 and FA-4, will begin appearing in the marketplace on licensed products and marketing materials.

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

Airgas Inc announced its AiRx diesel exhaust fluid (DEF) has been certified by the American Petroleum Institute (API). DEF is used in selective catalytic reduction (SCR) technology to reduce harmful ...

Several companies that blend diesel exhaust fluid, the urea solution used in truck engines with selective catalytic reduction systems, have had their blends certified by the American Petroleum ...

BOULDER, Colo., April 06, 2023 (GLOBE NEWSWIRE) -- Gravitee, the leading Event-native API Management company, has launched a certification program for customers and partners. The first of its kind, ...