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.

The quality of the DEF going into your vehicle is as important as the quality of the engine oils or fuels used in your vehicles. When diesel-powered trucks sit idle for extended periods, it’s easy to ...

The American Petroleum Institute has launched a new resource page that provides crucial information on diesel exhaust fluid quality, purchasing and storage. The information is tailored to meet the ...

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 ...

As restrictions are being lifted across most states in the U.S. and with warm weather upon us, it is important to consider proper management of diesel exhaust fluid (DEF) used in modern diesel-powered ...

Maintaining optimal performance and ensuring compliance with emissions standards go hand in hand for operators of diesel trucks. Diesel Exhaust Fluid (DEF) is a critical component in achieving both.

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 ...