The Congestion Mitigation and Air Quality Improvement (CMAQ) and Surface Transportation Block Grant Program (STBGP) programs include eligibility for Alternative Fuel Vehicles (AFVs) and related AFV fueling infrastructure. These programs and their precursors are long established sources of federal transportation funds for States, Metropolitan Planning Organizations (MPOs), and other public and private entities. The passage of the Fixing America’s Surface Transportation (FAST) Act in 2015 introduced several additional provisions related to AFVs that are summarized in this fact sheet.