5. NOx Emission Performance of the Canadian Fleet
Table 8 summarizes the LDV, LLDT, HLDT and MDPV distribution of the Canadian fleet for the 2004 model year.
| Vehicle Class | Total Number of Vehicles | Percentage of Total Fleet |
|---|---|---|
| LDV | 798,251 | 59% |
| LLDT | 378,871 | 28% |
| HLDT | 123,129 | 9% |
| MDPV | 50,468 | 4% |
| Total | 1,350,719 | 100% |
The overall Canadian fleet for the 2004 model year was comprised of 59% light-duty vehicles, 28% light light-duty trucks, 9% heavy light-duty trucks and 4% medium-duty passenger vehicles.
Table 9 summarizes the distribution of vehicles by NOx standard (i.e. "Bin") for each of the LDV/LLDT and HLDT/MDPV fleet.
| "Bin" Number | NOx Standard (grams/mile) | LDV/LLDT | HLDT/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 | N/A | N/A | 1,004 | 0.58% |
| 10 | 0.6 | 28,532 | 2.42% | 51,365 | 29.59% |
| 9 | 0.3 | 472,002 | 40.10% | 931 | 0.54% |
| 8 | 0.20 | 243,322 | 20.67% | 119,005 | 68.55% |
| 7 | 0.15 | 1,867 | 0.16% | 0 | 0.00% |
| 6 | 0.10 | 0 | 0.00% | 24 | 0.01% |
| 5 | 0.07 | 415,293 | 35.28% | 1,268 | 0.73% |
| 4 | 0.04 | 14,440 | 1.23% | 0 | 0.00% |
| 3 | 0.03 | 1,666 | 0.14% | 0 | 0.00% |
| 2 | 0.02 | 0 | 0.00% | 0 | 0.00% |
| 1 | 0.00 | 0 | 0.00% | 0 | 0.00% |
| Total | 1,177,122 | 100% | 173,597 | 100% | |
| Canada NOx Fleet Average (grams/mile) | 0.2016463 | 0.321976 | |||
| Fleet Average NOx Standard (grams/mile) | 0.25 | 0.53 | |||
A total of 1,177,122 LDV/LLDT and 173,597 HLDT/MDPV were reported for the 2004 model year for a total of 1,350,719 vehicles. The average NOx values were 0.2016463 grams/mile and 0.321976 grams/mile for the LDV/LLDT and HLDT/MDPV fleets, respectively. These NOx values are approximately 19% and 39% better than their corresponding fleet average NOx standards of 0.25 grams/mile and 0.53 grams/mile.
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