Federal tax credits are provided to encourage the purchase of electric, hybrid, and/or alternative-fuel vehicles (Alternative Fuel Vehicle Tax Credits)

Supported by distinct regulations such as:
- American Recovery and Reinvestment Act of 2009 (ARRA2009)
- Energy Policy Act (Public Law 109-58, 2005)
- Energy Independence and Security Act (Public Law 110-140, 2007)
- Energy Improvement and Extension Act (Public Law 111-5, 2008)