Shares of Traffic Load by Vehicle Type in the Cities
| Vehicle Type | Vehicle kilometers per day (lakhs) | |||||||
| Delhi | Mumbai | Kolkata | Chennai | Bangalore | Hyderabad | Kanpur | Agra | |
| Cars/Jeeps/ | 300.88 | 94.90 | 90.401 | 50.30 | 51.12 | 39.10 | 7.79 | 4.17 |
| Vans | (37.97%) | (31.08%) | (39.19%) | (20.18%) | (15.67%) | (15.23%) | (16.17%) | (31.08%) |
| Taxis | 6.01 | 26.06 | 23.73 | 5.60 | 2.35 | 2.83 | 0.08 | 0.09 |
| (0.76%) | (8.53%) | (10.29%) | (2.25%) | (0.72%) | (11%) | (0.16%) | (0.31%) | |
| Two Wheelers | 338.23 | 95.09 | 71.21 | 134.50 | 203.67 | 143.69 | 29.11 | 15.04 |
| (42.69%) | (31.14%) | (30.86%) | (53.95%) | (62.43%) | (55.96%) | (60.41%) | (54.7%) | |
| Auto CNG | 71.37 | - | - | - | - | - | - | - |
| (9.01%) | ||||||||
| Auto Petrol | 22.20 | 53.88 | 19.45 | 42.40 | 50.45 | 44.60 | 6.55 | 5.49 |
| (2.8%) | (17.65%) | (8.43%) | (17.01%) | (15.46%) | (17.37%) | (13.59%) | (19.98%) | |
| LCV | 16.67 | 12.13 | 4.90 | 5.50 | 5.92 | 6.03 | 1.16 | 0.87 |
| (2.09%) | (3.97%) | (2.12%) | (2.21%) | (1.81%) | (2.35%) | (2.41%) | (3.16%) | |
Shares of Traffic Load by Vehicle Type in the Cities
| Vehicle Type | Vehicle kilometers per day (lakhs) | |||||||
| Delhi | Mumbai | Kolkata | Chennai | Bangalore | Hyderabad | Kanpur | Agra | |
| HCV | 8.57 | 13.29 | 4.84 | 4.90 | 4.26 | 10.00 | 2.76 | 1.03 |
| (1.08%) | (4.35%) | (2.1%) | (1.97%) | (1.31%) | (3.89%) | (5.73%) | (3.75%) | |
| Bus CNG | 10.53 | - | - | - | - | - | - | - |
| (1.33%) | ||||||||
| Bus Diesel | 17.98 | 10.00 | 16.18 | 6.10 | 8.48 | 1052 | 0.73 | 0.81 |
| (2.27%) | (3.27%) | (7.01%) | (2.45%) | (2.6%) | (4.1%) | (1.52%) | (2.93%) | |
| Total | 792.34 | 305.35 | 230.72 | 249.3 | 326.25 | 256.77 | 48.18 | 27.50 |
| (100%) | (100%) | (100%) | (100%) | (100%) | (100%) | (100%) | (100%) | |
* The buses and taxis plying on CNG could not be easily identified on road side
HOW FUEL QUALITY CHANGES EMISSION DRAMATICALLY
Change in Light-Duty Diesel Vehicle Emissions with Variations in Diesel Fuel Properties
Change in Light-Duty Diesel Vehicle Emissions with Variations in Diesel Fuel Properties
| Diesel Fuel Properties | CO | HC | NOX | PM | CO2 |
Density 855 to 828 g/l |
-17.1b | -18.9° | +1.4 | -19.4 | -0.9 |
Polyaromatics 8 to 1 Percent |
+4.0° | +5.5 | -3.4 | -5.2 | -1.08 |
Cetane 50 to 58 |
-25.3 | -26.3 | -0.18(NS) | +5.2 | -0.37(NS) |
T 95 370 to 325°C |
-1.8 | +3.4 | +4.6 | -6.9 | +1.59 |
Sulfur 2000 to 500 ppm |
- | - | - | -2.4 | - |
Not applicale
NS = Non significant
a. Baseline Properties density 855 g/l; Polyaromatic Content 8 percent; Cetane number 50; T95 370°C; Sulfur 2000 ppm
b. Negative values indicate decrease in emissions
c. Positive values indicate increase in emissions
Change in Heavy-Duty Diesel Vehicle Emissions with Variations in Diesel Fuel Properties
| Diesel Fuel Properties | CO | HC | NOX | PM | CO2 |
Density 855 to 828 g/l |
+5.0b | +14.25c | -3.57 | -1.59 | +0.07 |
Polyaromatics 8 to 1 Percent |
0.08(NS) | -4.02 | -1.66 | -3.58 | -0.60 |
Cetane 50 to 58 |
-10.26 | -6.25 | -0.57 | 0(NS) | -0.41 |
T 95 370 to 325°C |
+6.54 | +13.22 | -1.75 | 0(NS) | +0.42 |
Sulfur 2000 to 500 ppm |
- | - | - | -13.0 | - |
Not applicale
NS = Non significant
a. Baseline Properties density 855 g/l; Polyaromatic Content 8 percent; Cetane number 50; T95 370°C; Sulfur 2000 ppm
b. Negative values indicate decrease in emissions
c. Positive values indicate increase in emissions
Source : Camarsa and Hubbin 1995; ACEA/EUROPIA 1995a