DEF stands for “diesel exhaust fluid,” also known by the brand AdBlue ®. It’s a chemical used in the SCR system of modern diesel vehicles to convert the harmful nitrogen oxides in vehicle ...

or diesel exhaust fluid. It's a mix of deionized water and urea. Deionized water is water that has had the ions removed (go figure), while urea is a compound found in the waste of mammals and ...

Caption Catalyzed Diesel Exhaust Fluid (Cat-DEF™) is one of three SwRI-developed technologies recognized by R&D Magazine as one of the most significant innovations of 2021. The Cat-DEF ...

A Torm tanker is en route to the US with a rare cargo of cleaner fuel. According to Kpler fixture data, the 50,000-dwt MR ...

Easily Clean the Entire SCR DEF System Under certain conditions, the water in DEF can evaporate, leaving behind white crystal urea deposits. Over time, these crystals can build up, clogging system ...