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Grants & Funding 
This page provides links to federal funding sources available to state and local agencies for projects relating to transportation and air quality.Funding sources both within and outside EPA are included.
- U.S. Environmental Protection Agency
- U.S. Department of Transportation
- U.S. Department of Energy
- Other Federal Agencies
U.S. Environmental Protection Agency
- Office of Air and Radiation Grants and Funding
A list of funding opportunities from EPA's Office of Air and Radiation for a broad range of air pollution reduction activities. - Office of Transportation and Air Quality Grants and Funding
A list of grant opportunities from EPA's Office of Transportation and Air Quality for projects that focus on reducing air pollution from mobile sources. - Community Action for a Renewed Environment (CARE)
A program to help communities address the issue of multiple toxics in their environment. - Clean School Bus USA Grants and Funding
Includes funding opportunities available through EPA's Clean School Bus USA program and links to other potential federal, state, and local agencies that support projects to reduce school bus emissions through idling reduction, retrofit, and replacement programs. - National Clean Diesel Campaign
Includes funding opportunities available through EPA's National Clean Diesel Campaign and links to other grant and funding resources that target diesel emissions. - Environmental Education Grant Program
A grant program sponsored by EPA's Office of Environmental Education that supports a wide range of projects aimed at raising public awareness and understanding of issues affecting the environment. - SmartWay Idling Reduction Funding
Includes funding opportunities available through EPA's SmartWay Idling Reduction program and links to other federal, state, and nonprofit agencies that support projects to reduce idling emissions. - Smart Growth Transportation Funding
Provides links to numerous funding resources that specifically support increasing multi-modal transportation options.
U.S. Department of Transportation
- Congestion Mitigation and Air Quality (CMAQ) Improvement Program
An overview of the CMAQ funding program, including information about eligible projects and application procedures. - Federal Highway Administration (FHWA)
Provides up-to-date information on current FHWA solicitations, including contracts, grants, and cooperative agreements. - Federal Transit Administration Grant Programs
Provides a full listing of available grant funding from the Federal Transit Administration, broken down into a number of categories including transportation investments in metropolitan areas, bus and bus-related programs, rural transit assistance, and much more.
U.S. Department of Energy
- Alternative Fuels Data Center
Provides a state-by-state listing of tax incentives and laws and regulations related to the use of alternative fuel vehicles. - Clean Cities Program
A list of funding sources available to members of Clean Cities coalitions from DOE, as well as other federal and state agencies. - State Energy Program
Information on DOE's State Energy Program that targets and provides funds for a range of special programs including school buses, heavy-duty hybrids, idle reduction, and the development of fuel infrastructures for alternative vehicles. - Office of Energy Efficiency and Renewable Energy
Provides links to various DOE program offices that support the development of energy efficiency and renewable energy sources, including advanced vehicle technology projects.
Other Federal Agencies
- Grants.gov
A single access point for over 1,000 grant programs offered by all federal grant-making agencies. Grant application and instruction materials also accessible.