2.Tac of the traffic congestion
* Economic impact:
fracture tens of billion annually
-The stop for too long, causing waste gas, and emit relatively large emissions.
-The economic losses due to motorcycle emissions by the researchers give is huge.
đang được dịch, vui lòng đợi..
![](//viimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)