Vehicle Propulsion System
* Internal Combustion Engines (Conventional Vehicles)
- Gasoline- Crude Oil
- Diesel- Crude Oil
* Internal Combustion Engines (Alternative propulsion)
- Natural gas- Underground reserves
(Compressed Natural Gas- CNG)
(Liquefied Natural Gas-LNG)
- Propane (Liquefied Petroleum Gas-LPG)- A by-product of petroleum refining or natural gas processing
- Ethanol (E85)- Corn, Grains, or agricultural waste (85% Ethanol + 15% gasoline)
- Methanol (M85)- Natural gas, coal, or, woody biomass (85% Methanol + 15% gasoline)
- Hydrogen- Natural Gas, Methanol, and other energy sources. (www.h2mobility.org)
- Biodiesel (blend B 20, pure biodiesel B100)- Soy bean oil, waste cooking oil, animal fats, and rapeseed oil. (www.biodiesel.org)
* Alternative fuel vehicles (AFVs):
Alternative fuel vehicles include any dedicated, flexible-fuel, or dual-fuel vehicle designed to operate on at least one alternative fuel. Alternative fuel vehicles come in a variety of vehicle models such as sedans, pickup trucks, sport utility vehicles, vans, shuttle buses, medium-duty vehicles (such as delivery trucks), heavy-duty buses, and heavy-duty trucks.
* Alternative propulsion
- Electricity (battery operated- plug in) (www.teslamotors.com)
- Hybrid (IC engine + electric motor), (IC engine + hydraulic system)
- Compressed Air (www.theaircar.com)