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• Clean School Bus USA Program: CleanSchoolBusUSA@epa.gov
• Fuels programs: EPAFuelsPrograms@epa.gov
• General compliance information: complianceinfo@epa.gov
• Green Vehicle Guide: greenvehicles@epa.gov
• Imports Hotline: imports@epa.gov
• MOBILE & MOVES models: mobile@epa.gov
• Motorcycle Certification & Compliance: MC-Cert@epa.gov
• National Clean Diesel Campaign: CleanDiesel@epa.gov
• NONROAD model: nonroad@epa.gov
• OTAQ Human Resources: nvfel-hro@epa.gov
• SmartWay Transport Partnership – General questions: smartway_transport@epa.gov
• SmartWay Transport Partnership – Technology questions: smartway-tech@epa.gov
• Vehicle Recalls (light-duty cars/trucks): vehicle-recalls@epa.gov

Or you can make a comment or ask a question about the Office of Transportation and Air Quality, its programs, and finding information on its website using the form below. You should receive a response within 5 business days. If you encounter any problems with the form below, we suggest that you send us your comments by e-mail to otaq@epa.gov. You can email EPA Internet Technical Support staff at: internet_support@unixmail.rtpnc.epa.gov.

• We cannot endorse specific products or technologies.
• We will not respond to inquiries that use profanities, vulgar language, personal attacks of any kind, or offensive terms that target specific ethnic or racial groups, are far off-topic, or make unsupported accusations.

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Office of Transportation and Air Quality (OTAQ) General Information and Web Support - For help finding information on emissions related to engines, vehicles, and fuels and for help finding specific files that you think are somewhere on the OTAQ Web site (www.epa.gov/otaq), reporting bad links, problems with reading OTAQ files that you have downloaded, and suggestions for improvements to the web site.

EPA Internet Technical Support - If you are experiencing technical problems with the entire EPA web server (www.epa.gov), rather than just something in the OTAQ area of the EPA Web site.

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