AdBlue Market Overview AdBlue, also known as Diesel Exhaust Fluid (DEF), is a crucial component in modern diesel engine technology, enabling compliance with stringent emissions regulations. A solution of 32.5% high-purity urea and 67.5% deionized water, AdBlue is used in Selective Catalytic Reduction (SCR) systems to reduce harmful nitrogen oxides (NOx) emissions from diesel engines. Its...