Volume 12, Issue 3 (12-2019)                   ijhe 2019, 12(3): 437-448 | Back to browse issues page

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Dehghan R, Abdolahi S, Rahimi M, Nejad Koorki F, Amini M. Investigation of exhaust pollutant emissions in light vehicles compared to technical examination standard and euro 2: case study in Shiraz city. ijhe. 2019; 12 (3) :437-448
URL: http://ijhe.tums.ac.ir/article-1-6168-en.html
1- Department of Environment, Faculty of Natural Resources, Yazd University, Yazd, Iran
2- Department of Environmental Science and Engineering, Faculty of Natural Resources, University of Jiroft, Jiroft, Iran , amini.malihe@gmail.com
Abstract:   (1969 Views)
Background and Objective: Due to the increasing growth of urbanization, vehicles are one of the most important environmental causes of air pollution in todaychr('39')s world..  With the increasing problems of air pollution and its environmental consequences due to lack of compliance with standards in manufacturing cars and their fuel consumption, awareness of the exhaust of cars and its comparison with environmental protection standards and technical examination is essential for controlling and reducing air pollution. Therefore, the present study was carried out with the aim of studying and comparing the amount of CO, CO2 and HC emissions from light vehicle exhausts in the period of 1383-1389 based on technical and environmental inspection standards in Shiraz. Also, the relationship between the year of construction of the car and the amount of output of these pollutants was discussed.
Materials and Methods: In this research, the amount of exhaust emissions (carbon monoxide, carbon dioxide and uncured hydrocarbons) from the exhaust of 858 vehicles included models Peugeot 206, GLX and Pars that were referred to the technical examination center during 5 months in Shiraz between the years 1383-1389 was investigated. Also, the relationship between the year of production and the amount of output of these pollutants was studied. Data analysis was done using SPSS software and Microsoft Excel software was used for drawing graphs.
Results: The results showed that there was a significant and negative correlation between the year of manufacture of the vehicle and the reduction of CO and HC. As the year of construction increases, the amount of pollutants is decreasing. Also, this relationship was positive and significant between the year of manufacture and CO2. Also, the exhaust pollutants (CO and CO2) from the Peugeot GLX exhaust system were lower than Peugeot Pars and 206, and the lowest amount of HC was observed in Peugeot 206.
Conclusion: In general, the exhaust emissions of all three cars were at the standard Euro 2 and technical examination.
 
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Type of Study: Research | Subject: General
Received: 2018/11/24 | Accepted: 2019/10/12 | Published: 2019/12/21

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