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ISSN 2671-9274 Vol.8 No.3 / March 31 2020 Research Briefs KEI Research on the Reduction of PM and ghg from ground freight transportation writing. jin seok hahn, seung min lee, te min jung, min cheol park, soo hyun kim Ⅰ.backgrund and aims of research ◆ emphasis on the need to control the emissions from diesel vehicles to reduce pariculate matter(pm) and green house gases (ghg)from global transportation ㆍdomestically, since 2013, the trend of reducing the concentration of pm has weakened, and, since 2010, the trend of reducing the emissions of ghg has seakened, thus, more effort is needed to reduce both pm and ghg emissions. ㆍin this study, as a means of reducing pm emissions from ground freight transportation, we reiewed the effectiveness improvement plan of the current freight vehicle emission reduction policy, and reduce ghg emissions, we reviewed the plan to convert a certain volume of goods transported b trucks to transportatione by railroads. Ⅱ. emission and transporation volume of ground freight 1.emission of air pollutants and ghg ◆ as of 2016, the emissions of ultrafine pm pollutants during the transportation of goods bt trucks on the nations' roadways and by tranins on the nation's railways were 9.7%and 14.3%, respectively, accounting for about 24% of the total pm emissions. 01 kei research briefs
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