| |
Table 4.6 |
Emission Standards for CI and SI Engines, ETC Test, g/kWh |
| |
Date & Category |
Test cycle |
CO |
NMHC |
CH 4(1) |
NOx |
PM(2) |
| Euro3 |
Oct. 2000 |
ETC |
5.45 |
0.78 |
1.6 |
5.0 |
0.16
0.21(3) |
| Euro 4 |
Oct. 2005 |
|
4.0 |
0.55 |
1.1 |
1.1 |
0.03 |
| Euro 5 |
Oct. 2008 |
|
4.0 |
0.55 |
1.1 |
2.0 |
0.03 |
| Euro 6 |
Jan. 2013 |
|
4.0 |
0.16 (4) |
0.5 |
0.4 |
0.01 (5) |
(1) for natural gas engines only; (2) not applicable for gas fuelled engines for approval to Euro 3 and Euro 4 standards; (3) for engines of less than 0.75 litre/cylinder swept volume and rated speed above 3000 rpm; .(4) THC (total hydrocarbons) limits apply for diesel; (5) particle number limit may apply to prevent ultra fine particles from flow through ( or partial flow) filters.
Figure 4.9 |
Evolution of European Heavy duty Emission Standards |
|
