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

Melissa Miyashiro is a Clean Cities coordinator for Sustainable Transportation Coalition of Hawaii.

General Stats

  • Designated: August 29, 1995
  • Population: 1,455,271 (based on 2020 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): 8
  • Electric (charging outlets): 844
  • 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
*2020 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