Pilot Study, Fault Identification and Effect of Maintenance
Pilot Study, Fault Identification and Effect of Maintenance
Pilot Study, Fault Identification and Effect of Maintenance
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Diesel Vehicle Emissions – In-Service Emissions Testing – <strong>Pilot</strong> <strong>Study</strong>, <strong>Fault</strong> <strong>Identification</strong> <strong>and</strong> <strong>Effect</strong> <strong>of</strong> <strong>Maintenance</strong> - Appendices<br />
Em issions (g/km .t)<br />
3.5<br />
3.0<br />
2.5<br />
2.0<br />
1.5<br />
1.0<br />
0.5<br />
NOx Emissions<br />
MC & NA Vehicles < 3.5t GVM (1980 to 2000)<br />
A DR 30<br />
A DR 70<br />
R 2 = 0.02 R 2 = 0.07<br />
0.0<br />
1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000<br />
Compliance Date<br />
Figure A3-1<br />
Emissions (mg/km.t)<br />
PM Emissions<br />
MC & NA Vehicles < 3.5t GVM (1980 to 2000)<br />
800<br />
700<br />
A DR 30<br />
600<br />
A DR 70<br />
500<br />
400<br />
R 2 = 0.19 R 2 = 0.04<br />
300<br />
200<br />
100<br />
0<br />
1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000<br />
Compliance Date<br />
Figure A3-2<br />
Em issions (%)<br />
Average Opacity<br />
MC & NA Vehicles < 3.5t GVM (1980 to 2000)<br />
40<br />
35<br />
A DR 30<br />
30<br />
A DR 70<br />
R 2 = 0.05<br />
25<br />
20<br />
15<br />
R 2 = 0.10<br />
10<br />
5<br />
0<br />
1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000<br />
Compliance Date<br />
Figure A3-3<br />
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