NOx
(g/kWh)
THC1
(g/kWh)
NMHC2
(g/kWh)
PM7
(mg/kWh)
PN8
(#/kWh)
Diesel Gas/Petrol Diesel Gas/Petrol Diesel Gas/Petrol Diesel Gas/Petrol
Euro I 1992 8.0 - 1.23 - 360/612 - - -
Euro II a 1996.10 7.0 - 1.1 - 250 - - -
Euro II b1998.10 7.0 - 1.1 - 150 - - -
Euro III 2000.10 5.03 5.0 0.664 0.78 100/1605 - - -
Euro IV 2005.10 3.53 3.5 0.464 0.55 20/305 - - -
Euro V 2008.10 2.03 2.0 0.464 0.55 20/305 30 - -
Euro VI 2013.01 0.4/0.466 0.46 0.13/0.166 0.16 10/106 10 6x1011/8x10116 -


1 Total hydrocarbons (methane included); 2 Non-methane hydrocarbons; 3 both ESc and ETc test cycle; 4 ESc test cycle only; 5 ESc and ETc test cycle respectively; 6 WHTc and WHSc test cycle respectively; 7 Pariculate Matter; 8 Particle number is expressed as the maximum allowed number of particles per kilometre (#/km)


Source: Lindqvist, 2012