How do the D4 VEA diesel engines actually create the EU emission standard 6? With Audi, Peugeot and some others, to my knowledge, this only works by adding an additive (urea). Does Volvo use a special NOx catalyst or what is the trick? Cornelius
How do the D4 VEA diesel engines actually create the EU emission standard 6? With Audi, Peugeot and some others, to my knowledge, this only works by adding an additive (urea). Does Volvo use a special NOx catalyst or what is the trick? Cornelius