Report a Violation

Report possible violations of environmental laws and regulations.

Mailing Address: 
Technology Assessment Center
Transportation and Climate Division
Office of Transportation & Air Quality
U.S. Environmental Protection Agency
1200 Pennsylvania Avenue
North Bldg. – Room 5512C – Mail Code 6406A
Washington, D.C. 20460

Diesel Technology Questions: Tech_Center@epa.gov

Diesel Emissions Reduction Act (DERA) Questions: 1-877-623-2322, DERA@epa.gov

Smartway Program Questions:  Contact SmartWay

Fuel Questions: FuelsProgramSupport@epa.gov