Installation of a dispatch plate to the repair shop for cars emitting smoke Lt. Col. Davood Shikibai, head of the urban traffic police of Rahor Farja, pointed out the growing concerns about air pollution in the cold season of the year, and announced a decisive action by the police against cars emitting smoke with polluting technical defects and emphasized: the offending cars will be fined and their technical validity will be revoked and their technical approval will be revoked. A repair shop with the license plate to repair the defects.