Identifying and Ranking the Obstacles of Nitrogen Oxides (NO_x) and Sulphur Oxides (SO_x) Emission Reductions from Marine Engines in Government Agencies’ Perspectives on Thai Maritime Transportation Industry: Using Interpretive
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Abstract
The objective of this research was to identify and rank the barriers of reduction of nitrogen oxides () and sulfur oxides (
) emissions from marine engines in perspectives of government agencies which relevant to Thai maritime transportation industry. This study chose semi-structured interview to confirm the validity and added more related issues from the literature review. Purposive Sampling was a technique used for selecting samples with the criterions of knowledge, expertise, and experience in maritime transportation industry, air pollution and marine engineering. The samplings were experts selected from three government organizations which relevant to Thai maritime transportation industry to identify obstacles in Thailand's context. There was also used “Interpretive Structural Modeling: ISM” to understand the relationship between the priorities of obstacles. The results of the ISM technique were then applied to classify of obstacles by technique of “Cross-Impact Matrix Multiplication Applied to Classification (MICMAC)”. The findings indicated that the most significant obstacles of reducing mechanisms of
and
were high Technology capital and operational cost of Nitrogen Oxides and Sulphur Oxides reduction solutions and are not aware compliance with regulation in Government. This study can be useful for Thai shipowners and policymakers to manage the problem of maritime air pollution.
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References
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