Contact Us About Regulations for Emissions from Vehicles and Engines
Press Inquiries:
Members of the press should email press@epa.gov or call 1-202-564-4355.
Public Inquiries:
For the quickest response, send your inquiry by email to: otaq@epa.gov or complete the form below.
You may also send your inquiry to our mailing address:
U.S. Environmental Protection Agency
Public Information Services, Public Inquiry
2000 Traverwood Drive
Ann Arbor, MI 48105