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Sustainable Transportation

Sustainable transportation reduces emissions and improves air quality. The National Academies research cleaner fuels, vehicle efficiency, and policies that promote greener mobility. 

What's happening

Winners Selected for the TRB Airport Cooperative Research Program’s 2025-2026 University Design Competition for Addressing Airport Needs

News Release

The Transportation Research Board’s Airport Cooperative Research Program has selected winners for its latest ACRP University Design Competition. This annual competition encourages students to design innovative and practical solutions to challenges at airports.

Aug 12, 2026
People entering airplane at gate of modern airport

Video Recordings from TRB Annual Meeting Now Available

Announcement

The 2026 TRB Annual Meeting brought together thousands of transportation researchers, practitioners, and policymakers to share current research and discuss pressing issues across all transportation modes. Watch sessions featuring high-profile speakers focused on the surface transportation funding reauthorization bill, megaprojects, road safety, and modernizing transportation systems.

Jan 27, 2026

Featured Publications

Featured work

Study on Data, Metrics, and Analytic Tools for Transportation Investments that Support Family Quality of Life and Communities

Consensus/Advisory Activity

In Progress

Lead Emissions from Piston-Powered General Aviation Aircraft

Consensus/Advisory Activity

Completed

Assessment of Technologies for Improving Fuel Economy of Light-Duty Vehicles–Phase 3

Consensus/Advisory Activity

Completed

Review of the Research Program of the U.S. DRIVE Partnership, Phase 5

Consensus/Advisory Activity

Completed

Propulsion and Energy Systems to Reduce Commercial Aviation Carbon Emissions

Consensus/Advisory Activity

Completed

Determinants of Market Adoption of Advanced Energy Efficiency and Clean Energy Technologies

Consensus/Advisory Activity

Completed

Assessment of Technologies and Approaches for Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles, Phase 2

Consensus/Advisory Activity

Completed

Assessment of Technologies for Improving Fuel Economy of Light-Duty Vehicles – Phase 2

Consensus/Advisory Activity

Completed

Units

Transportation Research Board Executive Office

Oversight Unit

In Formation

National Cooperative Highway Research Program

Oversight Unit

In Progress

Center for Advancing Science and Technology (CAST)

Oversight Unit

In Progress

Transit Cooperative Research Program

Oversight Unit

In Progress

TRB Consensus and Advisory Studies Division

Oversight Unit

In Progress

Technical Activities Division

Oversight Unit

In Progress

Transportation Research Board (TRB)

Oversight Unit

In Progress
Cargo train transportation - Freight railway. Used for TRB
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