Types of Alternative Vehicles and Fuels

Alternative Drive Systems
      Electric
      Hybrid
Alternative Fuel
      Design for One or More Fuels
            Single fuel vehicles
            Flex-fuel vehicles (FFV)
            Bi-fuel vehicles
      Fuel Types
            Alcohol
            Biodiesel
            Compressed natural gas (CNG)
            Liquefied petroleum gas (LPG)
            Hydrogen