AdBlue  DEF is a consumable that must be used in SCR technology.

SCR technology uses a catalyst system can effectively reduced the emission of nitrogen oxides and solid particles produced by diesel engines into nitrogen and water.The main components of the SCR system include the catalyst, the AdBlue® injection unit, the urea tank and the AdBlue® dose controller.

Process of SCR technolog : the urea tank automatically ejects the AdBlue® (diesel exhaust fluid ) when nitrogen oxides are found in the exhaust pipe and the oxidation-reduction reaction of AdBlue® and nitrogen oxides in SCR catalytic reaction tank produces non-pollution nitrogen and water.

With the intelligent control of SCR system, the car will be unable to start when the AdBlue® in the urea tank is insufficient. In order to ensure the normal running of the vehicle, there should be sufficient AdBlue® for the vehicle.