AdBlue is a solution of urea dissolved in water. There are lines that mix these products automatically.
What is AdBlue - GB Vehicle Leasing
How is AdBlue made?
Trusted Brands and Fast Delivery Adblue Diesel Engines Nox Reduction Agent - China Adblue, Adblue Urea
Adblue Diesel Exhaust Gas Purification Fluid Adblue Made for SCR - China Adblue, Adblue Urea
Supply Chinese Urea Solution Adblue for Diesel System of Ship Manufacture Directly - China Adblue, Adblue Urea
Adblue Volvo in Azure Chemical
Oilfast UK on LinkedIn: How is AdBlue® made? - Oilfast UK
Adblue Diesel Exhaust Fluids (DEF) for SCR - China DEF, Adblue
AdBlue® Ingredients: What is AdBlue® Made Of?
Factory Offer Adblue Diesel Exhaust Fluid Made for SCR - China Adblue, Adblue Urea
AdBlue (BlueDEF in the US) is made from water and urea (synthesized but the same molecule) and is ideal for folk who want to add water and urea to their shredded cardboard