An Analysis of Air Pollutants’ Emission Coefficient in the Transport Sector of Tehran

Short Retraction Notice  The paper does not meet the standards of "Open Journal of Ecology".  This article has been retracted to straighten the academic record. In making this decision the Editorial Board follows COPE's Retraction Guidelines. The aim is to promote the circulation of scientific research by offering an ideal research publication platform with due consideration of internationally accepted standards on publication ethics. The Editorial Board would like to extend its sincere apologies for any inconvenience this retraction may have caused. Please see the article page for more details. The full retraction notice in PDF is preceding the original paper which is marked "RETRACTED".  Editor guiding this retraction: Prof. Eyualem Abebe (EiC of OJE)