Open AccessCar-fuel Control, Motor Vehicle Regulation and the Air Quality of Xi’an City
Author(s) -
Wenzhong Wu
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/527/1/012016
Subject(s) - dimension (graph theory) , control (management) , work (physics) , air quality index , motor fuel , quality (philosophy) , automotive engineering , business , transport engineering , engineering , economics , geography , waste management , management , mathematics , mechanical engineering , philosophy , epistemology , meteorology , pure mathematics , gasoline
In 2017, Xi’an city has released the latest standard of car-fuel and motor vehicle submission, at the same time, Xi’an city has issued traffic restriction of 2017. But after 2015, the air quality of Xi’an city has aggravated. This paper will conduct empirical research through single difference of 2016-2017 era. The result shows that mixed policies dimension aggravating the concentration of NO 2 and PM2.5 decreases, but still remarkably aggravate it at 1% significance level. This result further manifests that policy has some effects, but can’t work out ideally.