Pilot Study, Fault Identification and Effect of Maintenance
Pilot Study, Fault Identification and Effect of Maintenance
Pilot Study, Fault Identification and Effect of Maintenance
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
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 />
NOx Emissions<br />
NCH Vehicles > 25t GVM (1980 to 2000)<br />
1.6<br />
1.4<br />
ADR 30<br />
ADR 70<br />
1.2<br />
1.0<br />
R 2 = 0.01 R 2 = 0.01<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0.0<br />
1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000<br />
Compliance Date<br />
Figure A3-13<br />
Emissions (mg/km.t)<br />
PM Emissions<br />
NCH Vehicles > 25t GVM (1980 to 2000)<br />
80<br />
ADR 30<br />
70<br />
ADR 70<br />
60<br />
50<br />
R 2 = 0.16<br />
40<br />
30<br />
R 2 = 0.01<br />
20<br />
10<br />
0<br />
1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000<br />
Compliance Date<br />
Figure A3-14<br />
Em issions (%)<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
Average Opacity<br />
NCH Vehicles > 25t GVM (1980 to 2000)<br />
A DR 30<br />
A DR 70<br />
R 2 = 0.24 R 2 = 0.00<br />
0<br />
1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000<br />
Compliance Date<br />
Figure A3-15<br />
Page 28
Change language