U.S. Department of Energy - Energy Efficiency and Renewable Energy

Vehicle Technologies Office

Just the Basics

Technology Overviews

• Biodiesel
• Combustion
• Diesel Engine
• Hybrid and Plug-in Electric Vehicles
• Ethanol
• Fuel Cells
• Hydrogen
• Liquefied Petroleum Gas (Propane)
• Natural Gas
• Particulate Matter
• Vehicle Emissions