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.

Airgas Inc announced its AiRx diesel exhaust fluid (DEF) has been certified by the American Petroleum Institute (API). Airgas Inc announced its AiRx diesel exhaust fluid (DEF) has been certified by ...

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 ...

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 ...

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.

According to the Farmer's Almanac, the winter of 2020 will be filled with bitterly cold weather from the eastern parts of the Rockies and east to the Appalachian Mountains and Northeast U.S. However, ...