Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

United States Department of Transportation United States Department of Transportation

Department of the Interior - Alternative Fuel Guidelines for Alternative Transportation Systems

Volpe documented the increased use of alternative fuels on vehicles owned and operated by federal land management agencies. For each alternative fuel type, Volpe documented the availability of vehicles, fueling mechanisms and prices, operational and maintenance issues, storage and handling issues, environmental and safety consideration, and examples of their use on federal lands.

Final Report, January 2011
Alternative Fuel Guidelines for Alternative Transportation Systems (PDF, 623KB)

Propane-powered Island Explorer bus fleet at Acadia National Park

Propane-powered Island Explorer bus fleet at Acadia National Park (National Park Service photo)

Last updated: Tuesday, December 16, 2014