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http://dx.doi.org/10.22680/kasa2020.12.1.033

An analysis of Laboratory and Real Driving Test using Diesel Vehicles  

Lee, Kwangbum (경일대학교 기계공학과)
Yong, Boojoong (경일대학교 기계공학과)
Publication Information
Journal of Auto-vehicle Safety Association / v.12, no.1, 2020 , pp. 33-38 More about this Journal
Abstract
Since a diesel vehicle scandal related to the 'A' automobile company was issued in the United States in 2015, many countries have been interested in emission defeat devices. Being embedded in some diesel passenger cars sold in Korea, a defeat device for exhaust gas may have influence on both fuel economy and NOx emissions. In order to examine such effects, we carried out laboratory indoor tests as well as real road driving tests using four models of 'A' automobile company which may employ defeat devices. Those tests were performed observing the test modes of FTP-75, HWFET, and NEDC. Although fuel economy and NOx emissions according to indoor tests comply with the suggested tolerance, the findings in the real road driving tests do not satisfy the tolerance. Along with the results provided in this study, further evaluation may be necessary to investigate the noticeable difference between the indoor and real road tests.
Keywords
Defeat Device; NOx; FTP-75; HWFET; NEDC; PEMS; Real Driving Emission;
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