• Department of Transportation
  • Federal Highway Administration
  • Federal Transit Administration
  • Bureau of Transportation Statistics
  • DOT’s Center for Climate Change and Environmental Forecasting EPA Headquarters 
• • EPA’s Office of Transportation and Air Quality
  • EPA Clear Skies Initiative
  • Clean School Bus USA grant program
  • Cool Pavement Report 
• U.S. Department of Energy's Smart Communities Network
• White House Council on Environmental Quality
• U.S. General Accounting Office
  

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• The State and Territorial Air Pollution Program Administrators (STAPPA) and the Association of Local Air Pollution Control Officials (ALAPCO)
• National Conference of State Legislatures

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• American Public Transportation Association
• Association of Metropolitan Planning Organizations
  

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• Alliance for Clean Air and Transportation
• American Council of Engineering Companies
• American Highway Users Alliance
• American Road and Transportation Builders Association
• Association for Commuter Transportation (ACT)
• Center for Transportation and the Environment at North Carolina State University
• Commuter Choice Leadership Initiative
• Community Transportation Association of America
• The International Telework Association & Council (ITAC)
• It All Adds Up to Cleaner Air
• “It All Adds Up” Knowledge Exchange
• National Transportation Demand Management and Telework Clearinghouse
• Surface Transportation Policy Partnership
• Sustainable Communities Network
• Texas Transportation Institute
• Transportation Research Board A1F03 Transportation and Air Quality Committee

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