More Information

If you have additional questions about the Smoking Vehicle Program, please contact us:

The Maricopa County Environmental Complaint Line at (602) 372-2703

 

If you have other concerns regarding vehicle testing; diesel vehicle testing; if a vehicle fails; recognized facilities; exemptions; fuel certificates; fleet vehicles; remote sensing; retrofit devices; or any other questions of this nature, contact:

The Arizona Department of Environmental Quality (ADEQ) at (602) 207-7000

 

For questions regarding vehicle title and registration issues or driver's licenses, contact:

The Arizona Department of Transportation’s Motor Vehicle Division at (602) 255-0072

 

If you have a smoking vehicle and have failed the emissions test, you may be eligible for assistance. To find out if you qualify, contact:

The Voluntary Vehicle Repair & Retrofit Program
( click on link for contact information )