What is BlueDEF®?

Aug 19, 2014

Updated Aug 28, 2014

BlueDEF® is the fluid (known as Diesel Exhaust Fluid) that is used in Selective Catalytic Reduction (SCR) systems on diesel engines to reduce NOx. BlueDEF® is stored in a designated tank on the vehicle and then replenished like fuel.

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John Steffes, inbound materials coordinator at Chief Carriers, presenting driver Ron Jones with a red hat.

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