6 Answers About Diesel Exhaust Fluid [2021]

Diesel exhaust fluid is one of the key elements of the Selective Catalytic Reduction SCR process used by most medium and heavy-duty engine builders to meet EPA 2010 regulations. BlueDEF is a non-toxic solution of 67.5 percent purified water and 32.5 percent ultra pure automotive grade urea. BlueDEF is not a fuel or fuel additive.

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Mixture of 32.5 percent high purity synthetic urea and 67.5 percent deionized water Helps convert nitrogen oxide into harmless nitrogen gas and water

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20 Facts You Need to Know About Diesel Exhaust Fluid