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The basics about renewable energy and energy efficiency technologies: learn how they work, what they're used for, and how they can improve our lives, homes, businesses, and industries.

Technologies

Renewable Energy Technologies

  • Biomass
  • Geothermal
  • Hydrogen
  • Hydropower
  • Ocean
  • Solar
  • Wind

Home and Building Technologies

  • Lighting and Daylighting
  • Passive Solar Design
  • Space Heating and Cooling
  • Water Heating

Industrial Technologies

Vehicle and Fuel Technologies

  • Vehicles
  • Fuels

Questions

  •  How does a wind turbine work?
  •  What's a crystalline silicon photovoltaic cell?
  •  How do hybrid electric vehicles work?

Features

Energy 101 - Wind Turbines

Energy 101: Wind Turbines

Energy 101 - Concentrating Solar Power

Energy 101: Concentrating Solar Power

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Content Last Updated: 03/28/2013