By Email

Please provide a license plate number and/or VIN with your email.

General Program Information:
info@cleanairforce.com

Waiver-Related Inquiries:
waivers@cleanairforce.com

Station & Inspector Inquiries:
industry@cleanairforce.com

By Phone

Call toll-free 800.449.2471

If you suspect or have been offered an illegal passing test, please call the number above. You may remain anonymous.

Live Chat

How may we help you?

We have chat operators standing by during most business hours.

Customer Service locations

Visit our GCAF Customer Service Centers page to find your local customer service center or tag office. The list includes the address, hours, and contact information for each location.

We recommend finding your local office and calling to make sure they are open before you visit.

Comment Card

If you would like a follow-up call, mail the card along with copies of any related documents to GCAF.

The address is on the front of comment card attached to the Q&A brochure at your local emissions testing station.

If your comments refer to your vehicle inspection report (VIR) or other documents and you would like a follow-up call, you may email the related documents to info@cleanairforce.com