Oregon Mobile Sources regulations & environmental compliance analysis

Oregon Mobile Sources: What you need to know

Governing Law and Regulations

Vehicle inspection and maintenance (I/M) program: Oregon Administrative Rules (OAR) 340-204-0080 and OAR 340-256-0300 to 340-256-0470

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Automobile standards: OAR 340-256-0100, OAR 340-256-0110, OAR 340-256-0130, and OAR 340-256-0200

Low Emissions Vehicle (LEV) Program: OAR 340-257-0010 to 340-257-0160

Visible emission standards: OAR 340-256-0100 and OAR 340-256-0110

Vehicle fleets: OAR 340-256-0130

Pollution control systems: OAR 340-256-0200

Heavy-duty vehicle emissions standards:

Clean Diesel Initiative: OAR 340-259-0005 to 340-259-0065

Idling: House Bill (HB) 2081

Employer trip reduction and commuting:

Employee Commute Options (ECO) Program: OAR 340-242-0010 to 340-242-0290

Voluntary Maximum Parking Ratio Program: OAR 340-242-0300 to 340-242-0390


Vapor recovery: OAR 340-242-0500 to 340-242-0520 and 40 CFR 51.126

Clean Fuels Program: OAR 340-253-0000 to 340-253-3050

Regulatory Agencies

Oregon Department of Environmental Quality (DEQ) Air Quality Division

Oregon Department of Transportation (ODOT) DMV

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. There are many mobile source regulatory requirements implemented nationally by the U.S. Environmental Protection Agency (EPA) that impact mobile sources in Oregon. In addition, the state has established additional programs to implement optional federal programs and other requirements to control mobile source emissions and make progress toward attainment of all the national ambient air quality standards.

Administration and enforcement. DEQ's Air Quality Division administers and enforces the majority of the mobile source programs in Oregon. The vehicle I/M program is administered and enforced by ...

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More on this topic:

Governing Law and Regulations
Regulatory Agencies
Comparison: State vs. Federal
State Requirements