Contact Us About Diesel Emissions Reduction Act (DERA)

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• EPA Regions and Collaboratives
• Email Updates

DERA Helpline

For information about DERA funding or the impact of legacy fleets, contact our helpline.
Phone: 1-877-623-2322
Email: DERA Helpline (dera@epa.gov)

DERA News

Receive email updates on DERA funding, issues, and resources.

Sign-up Here for Email Updates

Diesel Emission Quantifier (DEQ) Helpline

For information about the Diesel Emission Quantifier, contact our helpline.
Email: Diesel Emission Quantifier Helpline (DEQhelp@epa.gov)

Questions and Comments

Please use the form below to send us questions or comments. Be sure to include your e-mail address if you’d like a response.