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Fleet Average NOx Emission Performance of 2006 Model Year Light-Duty Vehicles, Light-Duty Trucks and Medium-Duty Passenger Vehicles
- 1. Purpose
- 2. Introduction
- 3. Summary of Key Regulatory Elements for Fleet Average NOx Emissions
- 4. Summary of Company Fleet Average NOx Emission Performance for the 2006 Model Year
- 5. NOx Emission Performance of the Canadian Fleet for the 2006 Model Year
- 6. Trends in NOx Emission Performance of the Canadian Fleet
- 7. Conclusions
- List of Tables
5. NOx Emission Performance of the Canadian Fleet for the 2006 Model Year
5.1 Distribution of LDV, LLDT and LLDT/MDPV
Table 8 summarizes the LDV, LLDT and LLDT/MDPV distribution of the Canadian fleet for the 2006 model year.
Table 8: Distribution of Canadian Fleet
| Vehicle Class | Total Number of Vehicles | Percentage of Total Fleet |
|---|---|---|
| LDV | 821 780 | 57% |
| LLDT | 422 860 | 30% |
| LLDT/MDPV | 179 321 | 13% |
| Total | 1 423 961 | 100% |
A total of 1 244 640 LDV/LLDT and 179 321 LLDT/MDPV were reported for the 2006 model year, for a combined total of 1 423 961 vehicles. The overall Canadian fleet for the 2006 model year was comprised of 57% LDV, 30% LLDT and 13% LLDT/MDPV. This distribution is comparable to the 2004 and 2005 model years.
5.2 Distribution of Bins and Fleet Average NOx Values
Table 9 summarizes the distribution of vehicles by NOx standard (bin) and calculated average NOx values for each of the LDV/LLDT and LLDT/MDPV fleets for the 2006 model year.
Table 9: Distribution of Vehicles by NOx Standard (Bin)
| Bin Number | NOx Standard (grams/mile) | LDV/LLDT | LLDT/MDPV | ||
|---|---|---|---|---|---|
| Total Number of Vehicles in Bin | Percentage of Vehicles in Bin | Total Number of Vehicles in Bin | Percentage of Vehicles in Bin | ||
| 11 | 0.9 | - | - | 1 494 | 0.83% |
| 10 | 0.6 | 33 420 | 2.69 | 28 109 | 15.68% |
| 9 | 0.3 | 74 959 | 6.02 | 280 | 0.16% |
| 8 | 0.20 | 56 017 | 4.50 | 133 382 | 74.38% |
| 7 | 0.15 | 3 385 | 0.27 | 0 | 0.00% |
| 6 | 0.10 | 14 925 | 1.20 | 0 | 0.00% |
| 5 | 0.07 | 998 572 | 80.23 | 13 004 | 7.25% |
| 4 | 0.04 | 55 950 | 4.50 | 3 052 | 1.70% |
| 3 | 0.03 | 5 190 | 0.42 | 0 | 0.00% |
| 2 | 0.02 | 2 222 | 0.18 | 0 | 0.00% |
| 1 | 0.00 | 0 | 0.00 | 0 | 0.00% |
| Total | 1 244 640 | 179 321 | |||
| Canada NOx Fleet Average (grams/mile) | 0.1023669 | 0.256539 | |||
| Fleet Average NOx Standard (grams/mile) | 0.13 | 0.33 | |||
The average NOx value for the fleet of LDV/LLDT was 0.1023669 grams/mile, which is 21% better than the applicable fleet average NOx standard of 0.13 grams/mile. In addition, approximately 87% of the LDV/LLDT fleet was certified to a bin having a NOx standard better than the applicable fleet average NOx standard for the 2006 model year (i.e. bin 6 or better).
For the fleet of LLDT/MDPV, the average NOx value was 0.256539 grams/mile, which is 22% better than the applicable fleet average NOx standard of 0.33 grams/mile. In addition, approximately 83% of the LLDT/MDPV fleet was certified to a bin having a NOx standard better than the applicable fleet average NOx standard for the 2006 model year (i.e. bin 9 or better).
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