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Diesel Exhaust Fluid (DEF) Q&A

from Cummins Filtration

Diesel Exhaust Fluid (DEF) is one of the key elements in the SCR emission control process. When combined with the heat of the exhaust stream and the SCR catalyst, DEF helps convert NOx into harmless nitrogen and water vapor.

While DEF is non-toxic and non-flammable it still requires proper handling and an understanding of storage needs, shelf life, and spill clean up.

Determining DEF usage based on truck consumption calculations is also important, along with understanding maintenance needs of DEF and SCR systems.

For more information: https://www.cumminsfiltration.com/sites/default/files/MB10033.pdf?_ga=2.120277000.1229992106.1522337049-1050343266.1519845240

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