Question image

Question 8203

What is the AdBlue additive used for in modern diesel engines?

  1. To reduce pollutant gas emissions into the atmosphere.
  2. To keep the engine clean.
  3. To reduce fuel consumption.
Show answer and explanation

Correct answer: To reduce pollutant gas emissions into the atmosphere.

AdBlue is a liquid containing urea that many modern diesel vehicles inject into the exhaust. There, it converts nitrogen oxides into nitrogen and water, reducing pollution. It has its own tank, with the blue cap you see in the image.

Campaña de vigilancia a vehículos de mercancías · Manual II. Cuestiones de Seguridad Vial