Emission Inspection of In-use Vehicle in Bangladesh - CASE
Emission Inspection of In-use Vehicle in Bangladesh - CASE
Emission Inspection of In-use Vehicle in Bangladesh - CASE
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Figure 15: Frequency Distribution <strong>of</strong> CO% from 3-Wheeler Auto-rickshaw<br />
Figure 16: Cumulative Frequency Distribution <strong>of</strong> CO% from CNG 3-Wheeler Auto-<br />
Rickshaw<br />
4.3.3.1 Idle HC <strong>Emission</strong>s<br />
The idle HC emissions from the CNG auto-rickshaws are presented <strong>in</strong> Figs.16 and 17. CNG<br />
operated three wheelers are expected gave low HC emissions, 56 % fall<strong>in</strong>g below 600 PPM<br />
and 71% below 1200 PPM (Figure-17). Only about 15% CNG auto rickshaw are above<br />
2000ppm HC. As mentioned before, at present there is no standard for HC for the CNG<br />
operated three wheelers.<br />
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