USA Banner

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.

Site Notification

Site Notification

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation


This page shows Department of Transportation content pertaining to a specific tag. If you cannot find what you’re looking for on this page, please use the search box in the top right of our website.

What Volpe Talked About at TRB 2016

Volpe staff were among the 5,000 presentations and nearly 800 sessions and workshops covering all transportation modes at the Transportation Research Board’s 95th Annual Meeting recently held in Washington, D.C.

Volpe's 2014 Reports Available for Download

Volpe published 77 reports and conference papers in 2014 spanning a myriad of transportation research topics. View the topic areas and download free copies of Volpe’s transportation resources.

New Tool Evaluates Alternative Fuel Transport Options

Volpe develops a national model for evaluating alternative fuel transport patterns, costs, and impacts to respond to military and commercial aviation sectors' need for reliable supplies of sustainable alternative aviation fuels that can be distributed throughout supply chains in the continental...

Reducing Heavy Truck Fuel Consumption

Volpe teamed up with the National Highway Traffic Safety Administration (NHTSA) to assess the technical feasibility and cost of reducing medium- and heavy-duty truck fuel consumption. Volpe staff conducted research on improving vehicle fuel economy, analyzing emerging technologies and...

Rail Energy, Efficiency, and Sustainability

Volpe provides informed guidance to the rail industry on cost-effective and energy-efficient advanced technology options. This guidance has promoted operational best practices to lessen fuel consumption, promote sustainable transportation, and reduce the environmental footprint of rail...

Commercial Aviation Alternative Fuels Initiative

Volpe plays a key role in the Commercial Alternative Aviation Fuel Initiative (CAAFI), a multi-organizational coalition dedicated to promoting the development and deployment of safe, green alternatives to today’s jet fuels.