Maine Clean Communities

The Maine Clean Communities works with vehicle fleets, fuel providers, community leaders, and other stakeholders to identify community-driven choices that save energy and promote the use of alternative fuels and advanced vehicle technologies in transportation.

Contact Information

Greater Portland Council of Governments
970 Baxter Blvd, Ste 201
Portland, ME 04103

General Stats

  • Designated: September 04, 1997
  • Population: 1,366,949 (based on 2022 Census estimate)
  • Area: 32,477 sq. mi.
  • Local/Regional Service Area: Entire state of Maine including tribal lands

Alternative Fueling Stations

Including public and private stations

  • Biodiesel (B20 and above): 1
  • Electric (charging outlets): 1,072
  • Ethanol (E85): 0
  • Hydrogen: 0
  • Natural Gas: 2
  • Propane: 9

Energy Use Impact*

Annual Energy Impact

Annual Energy Impact by Alternative Fuel Vehicle Project Type

Emissions Reduced*

Annual Emissions Reduced

Emissions Reduced by Alternative Fuel Vehicle Project Type
*2022 DOE-Verified Metrics

Sara Mills-Knapp

Sara Mills-Knapp is the Sustainability Program Manager at Greater Portland Council of Governments (GPCOG) and is working to position the organization as a regional and statewide leader in climate change mitigation, adaptation and resilience, while leading the statewide Maine Clean Communities Program, and supporting members with technical assistance on key sustainability issues.

Mills-Knapp has extensive experience providing technical, financial and organizational guidance on urban sustainability programs for cities around the globe through her work with The World Bank, U.S. Agency for International Development, and C40 Cities Network. She has partnered closely with cities to advance best practices in climate action planning, from data collection and analysis, to citizen engagement and governance. Mills-Knapp has a master’s degree in Sustainability Management from Columbia University in New York and a bachelor’s degree in International Relations from American University in Washington DC.

Learn about just some of the projects from Maine Clean Communities. Visit the Maine Clean Communities website for more projects and information.

Projects and Case Studies
Greater Portland Transit District Looks Forward with Natural Gas
Maine's Only Biodiesel Manufacturer Powers Fleets in the Region
Propane Buses Shuttle Visitors in Maine