Clean Cities: Alternative Fuels and Vehicles

Alternative fuels and vehicles form the cornerstone of the Clean Cities program. They are a valuable tool for reducing air pollution and greenhouse gases, protecting public health, and contributing to economic development. The Clean Cities Program is fuel neutral and works with fleets to provide them with the most accurate resources and information available on alternative fuels. To find an alternative fueling station in your area, click here.

Alternative Fuels


Today more than a dozen alternative fuels are in production and use or under development. Although government fleets and private fleets are the primary users of these fuels, consumers have an increasing interest in them. Using these fuels in place of conventional fuels is critical to reducing U.S. dependence on foreign oil and emissions that harm air quality.

Some alternative fuels, as defined by the Energy Policy Act of 1992 (EPAct), that are commonly used and commercially available for vehicles include:

Alternative Fuel Vehicles


An alternative fuel vehicle (AFV) is a dedicated, flexible fuel, or dual-fuel vehicle designed to operate on at least one alternative fuel. An advanced vehicle combines new engine, power, or drivetrain systems to significantly improve fuel economy.
Advanced Technology Vehicles