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Organization Chart for EPA's Office of Transportation and Air Quality (OTAQ)

 
Office Director ​
  • Policy and Communications Office
  • Planning, Budget, and Acquisitions Office
  • Safety, Quality & Facilities Management Office
  • People and Organizational Development Office
 
Assessment and Standards Division
  • Mobile Emissions Modeling Branch
  • Data & Testing Branch
  • Fuels Branch
  • Air Quality, Health & Economics Branch
  • Heavy-Duty Engine & Vehicle Branch
  • Large Marine & Aviation Branch
  • Light-Duty Vehicles & Small Engines Branch
  • State & Local Transportation Programs Branch
Implementation, Analysis and Compliance Division
  • Engine & Vehicle Information Systems Branch
  • Diesel Engine Compliance Branch
  • Fuels Information Systems Branch
  • Climate Economics & Modeling Branch
  • Gasoline Engine Compliance Branch
  • Light-Duty Vehicle Compliance Branch
  • Fuels Compliance Policy Branch
Testing and Advanced Technology Division
  • Advanced Testing Branch
  • Vehicle Testing Branch
  • Engine Testing Branch
  • Fuels/Chemistry Branch
  • Testing Services Branch
  • Information Management Branch
  • Advanced Technology Assessment Branch
Transportation and Climate Division
  • Climate Analysis and Strategies Branch
  • Legacy Fleet Incentives & Assessment Branch
    • CSB Planning & Implementation Section
    • CSB Technology Section
    • Diesel Emissions Reduction Section
  • Ports Branch
    • Ports Implementation & Outreach Section
    • Ports Technology Section
    • Domestic Sourcing Section
  • SmartWay and Supply Chain Programs Branch
  • Budget and Audit Management Branch

About EPA

  • Our Mission and What We Do
  • Headquarters Offices
  • Regional Offices
  • Labs and Research Centers
  • EPA Organization Chart
  • EPA History
Contact EPA
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on February 24, 2025
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