Table 147 -
Pollutant-wise Contribution of Different Automobiles (1997)
Category
Pollutants %
TSP
SO2
NO2
CO
HC
2-3 Wheelers
19.9
7.1
0.9
19.1
48.7
Cars
34.3
15.9
43.2
76.8
45.0
Buses
12.0
16.2
14.8
1.8
2.7
Trucks
33.9
60.7
41.1
2.4
3.6
%
100
100
100
100
100
Cars contribute maximum (64%)
to pollutants followed by 2-3 wheelers (21%)
The maximum carbon monoxide is
contributed by cars (77%) followed by 2-3 wheelers (19%) and maximum
HC is contributed by 2-3 wheelers (49%) followed by cars (45%)