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  2. Verified Technologies for SmartWay and Clean Diesel

Contact Us about Verified Technologies for SmartWay and Clean Diesel

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 and SmartWay 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

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Verified Technologies for SmartWay and Clean Diesel

  • Clean Diesel Technology
    • Learn About
    • Verified List
    • Verification Process
    • Manufacturer Contact List
  • SmartWay Technology
    • For Trucks & School Buses
      • Designated Tractors
      • Designated Trailers
      • Refrigerated Trailers and TRU Calculator
      • Aerodynamic Devices
      • Idling Reduction
      • Tires
    • For Locomotives
    • For Marine Technology
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on June 20, 2025
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