How Does an SCR Catalyst Work with AdBlue?

Diesel vehicles have emitted dangerous nitrogen oxides in large quantities for many decades. With the principle of urea injection, the toxic components of diesel exhaust gases are significantly reduced. How does this actually work? The diesel drive in the car is considered efficient, but its exhaust gases are problematic. Above all, the nitrogen oxides emitted by the self-ignitioner have long been classified by physicians and environmentalists a…