Sustainable Transportation Coalition of Hawaii

The Sustainable Transportation Coalition of Hawaii works with vehicle fleets, fuel providers, community leaders, and other stakeholders to save energy and promote the use of domestic fuels and advanced vehicle technologies in transportation.

Contact Information

Melissa Miyashiro (acting)

Melissa Miyashiro (acting) is a Clean Cities coalition director for Sustainable Transportation Coalition of Hawaii.

General Stats

  • Designated: August 29, 1995
  • Population: 1,441,553 (based on 2021 Census estimate)
  • Area: 6,432 sq. mi.
  • Local/Regional Service Area: Entire state of Hawaii

Alternative Fueling Stations

Including public and private stations

  • Biodiesel (B20 and above): 10
  • Electric (charging outlets): 871
  • Ethanol (E85): 1
  • Hydrogen: 2
  • Natural Gas: 0
  • Propane: 1

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
*2021 DOE-Verified Metrics

Learn about just some of the projects from Sustainable Transportation Coalition of Hawaii. Visit the Sustainable Transportation Coalition of Hawaii website for more projects and information.

Projects and Case Studies