Oregon Administrative Rules
Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Division 256 - MOTOR VEHICLES
Section 340-256-0110 - Visible Emissions: Special Requirements for Excluded Motor Vehicles
Universal Citation: OR Admin Rules 340-256-0110
Current through Register Vol. 64, No. 3, March 1, 2025
A person may not operate, drive, or cause or permit to be driven or operated upon a public street or highway, any motor vehicle excluded from OAR 340-256-0100 that:
(1) When operated at an elevation of 3,000 feet or less, emits visible emissions into the atmosphere:
(a) Of an opacity greater than 10 percent;
or
(b) Of an opacity 40 percent or
greater for a period exceeding seven consecutive seconds.
(2) When operated at an elevation over 3,000 feet, emits visible emissions into the atmosphere:
(a) Of an opacity greater than 20 percent;
or
(b) Of an opacity of 60 percent
or greater for a period exceeding seven consecutive seconds.
Statutory/Other Authority: ORS 468 & 468A
Statutes/Other Implemented: ORS 468A.360
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