The American Petroleum Institute (API) recently issued a bulletin stressing the importance of only using certified diesel exhaust fluid (DEF) for the diesel-powered vehicles that require the fluid.

Colonial Chemical Co. announced that it has been awarded the first license by the American Petroleum Institute under its Diesel Exhaust Fluid Certification Program. Colonial Chemical says the API ...

The American Petroleum Institute (API) has published a new resource page on best practices for purchasing and storing diesel exhaust fluid (DEF). “The API DEF Consumer Guidance offers consumers and ...

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 ...

Adding diesel exhaust fluid to trucks has become fairly routine, despite some of the anxiety that came along with the debut of this new fluid a decade ago, needed to cut emissions using selective ...

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 ...

Diesel engine vehicles can be damaged by using low-quality diesel exhaust fluid (DEF). This includes catalyst poisoning, deposits which can restrict equipment from operating, and DEF injector and ...