POL Government Elected Officials Auditor Mary Hull Caballero Charter, Code & Policies City Code & Charter Online Code & Charter Title 12 Air Pollution Chapter 12.08 Executive Responsibility
12.08.040 Authorized Vehicles Defined.

(Added by Ordinance Number 138468; passed and effective July 3, 1974.)
As used in the Chapter, authorized vehicles shall be as follows and as defined in Chapter 16.90 Vehicles and Traffic, of the Code of the City of Portland:
A.        Authorized emergency vehicles;
B.        Commercial vehicles;
C.        Motor bus;
D.        School bus;
E.         Taxicab.

Title 12 Air Pollution
Chapter 12.04 Purpose
Chapter 12.08 Executive Responsibility
Chapter 12.12 Penalties and Violations
Chapter 12.16 Air Pollution Conditions