Attention

VIN Stops have begun in the tri-county Portland area.

The Diesel Retrofit Compliance Program in the State of Oregon is here.

These regulations could affect your ability to operate certain older diesel vehicles.

CAC program

Clean Air Construction Program for the Portland Metro region

Designed to reduce diesel emissions on construction sites by reducing idling & retrofitting older diesel vehicles.

Grant funding is available, find out more…

Oregon Grants

Attention Owners of Vehicles

with Diesel Engines in Oregon

June 2nd, 2025, to Aug. 15th, 2025, Oregon DEQ is accepting grant applications to fund retrofits on older diesel vehicles to meet new emissions requirements.

What’s next?

Change is in the air for Oregon’s diesel truck fleets and equipment operators.

Stay tuned for updates on Oregon’s retrofit programs and grants.

CARB

Get Help Navigating

the Cost of Compliance

The CARB approved Truck and Bus Regulation has had recent rollbacks in the 2014 amendments due to litigation.

ODEQ

Oregon’s School Bus

Clean Diesel Engine Program

The Oregon Department of Environmental Quality (DEQ) has received millions in funding for bus retrofitting.