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 />
Emissions (mg/km.t)<br />
45<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
PM Emissions<br />
NCH Vehicles > 25t GVM (1996 to 2000)<br />
R 2 = 0.00<br />
0 200000 400000 600000 800000 1000000 1200000<br />
Odometer (km)<br />
Figure A4-28<br />
35<br />
Average Opacity<br />
NCH Vehicles > 25t GVM (1980 to 1995)<br />
Em issions (%)<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
R 2 = 0.11<br />
0 500000 1000000 1500000 2000000 2500000<br />
Odometer (km)<br />
Figure A4-29<br />
Em issions (%)<br />
14<br />
12<br />
10<br />
8<br />
6<br />
4<br />
2<br />
0<br />
Average Opacity<br />
NCH Vehicles > 25t GVM (1996 to 2000)<br />
R 2 = 0.01<br />
0 200000 400000 600000 800000 1000000 1200000<br />
Odometer (km)<br />
Figure A4-30<br />
Page 40
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