What is diesel exhaust fluid (AdBlue), and how does it work? - Drive

Extra emission controls, but with a difference.

Diesel exhaust fluid - Wikipedia

Diesel Exhaust Fluid Shortage Causes Air Pollution

BlueDEF 2.5 Gal. Diesel Exhaust Fluid (DEF) DEF002 - The Home Depot

Diesel Exhaust Fluid Market Size, Share and Trends Report 2030

Here's my (probably very expensive) lesson for today: Don't fill your DEF tank with truck stop diesel exhaust fluid at the pumps. Oh well, bye bye savings account. (2011 Touareg) : r/tdi

What's the deal with Diesel Exhaust Fluid (DEF)?

AdBlue (SCR System) Info/FAQ's

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.

Blue DEF Diesel Exhaust Fluid - 2.5 gallon

Diesel Exhaust Fluid (DEF), AdBlue, Ownership