Cadence is your premier source for top-quality diesel exhaust fluid (DEF). We offer DEF to our customers in various package sizes, including gallons, drums, totes, and bulk quantities. We also have monitoring capabilities for bulk.

Cadence is committed to providing premier Diesel Exhaust Fluid (DEF) solutions to our customers. With the broadest range available across our footprint of the US, we are dedicated to delivering unmatched quality and service. Through our partnerships with esteemed manufacturers, we guarantee that our customers receive only the utmost standard of DEF supply and service in the industry.

What is DEF Fluid?

Diesel Exhaust Fluid (DEF) is a key player in achieving the stringent standards set by the Environmental Protection Agency (EPA) for nitrogen oxide (NOx) emissions. Comprising 32.5% urea and 67.5% deionized water, DEF interacts with exhaust gasses, effectively transforming harmful NOx emissions into harmless nitrogen and water via the Selective Catalytic Reduction (SCR) process. Therefore, it plays a pivotal role in maintaining environmental health and reducing air pollution emitted by diesel engines.

Diesel Exhaust Fluid Purpose:

DEF's central role is to assist diesel engines in adhering to federal emissions standards. By significantly decreasing NOx emissions, DEF enables diesel-operated vehicles like trucks and heavy machinery to meet stringent EPA regulations, fostering a better environmental future. An in-depth analysis by BOOSTER provides further understanding of the role and importance of DEF.

What is DEF Used For?

While the name includes 'fuel', DEF doesn't function as a traditional fuel as it doesn't participate in the combustion process. Its pivotal task is in emissions control. Used together with SCR technology, DEF aids in nullifying harmful emissions, securing strict environmental standards compliance.


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