- Grants.gov - Source to find and apply for federal grants
- Transportation Funding - 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.
- Diesel Emissions Reduction Act (DERA) Funding Programs
- Smart Growth Implementation Assistance – An annual, competitive solicitation open to state, local, regional, and tribal governments (and non-profits that have partnered with a government entity) that want to incorporate smart growth techniques into future development.