Thousands of light- and heavy-duty alternative fuel and advanced technology vehicles are on U.S. highways today.  Some of these alternative vehicles include:

• Hybrid electric vehicles,
• Plug-in electric vehicles,
• Flexible fuel vehicles,
• Natural gas vehicles, and
• Propane vehicles.

For more information about these alternative options visit the links on the left, or learn more at the U.S. Department of Energy's Alternative Fuels & Advanced Vehicle Data Center: http://www.eere.energy.gov/afdc/vehicles/index.html