Research Methodology and Data
Research Result and Discussion
Research Conclusion
Emission Control Area
Reference
Produced by navigation
result from the combustion of fuel
The principal pollutants :
1) soot
2) particulate matter (PM), sulfur-rich fuels
The effect of NG emission
Local & Regional effect
Acid rain
Photochemical smog
human health (respiratory, asthma)
Global Effect
NG Regulation
More stringently regulated in Europe and
North America by designating the ECA
Not Asia

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