The adjective frugal means to be prudent and thrifty in the expenditure of money or in the use of material resources.

Alternative Energy and Energy Conservation Information

• Hot Water Heaters
• Alternative Energy Information by State
• The National Renewable Energy Laboratory (NREL)
• Gas Price Watch: Power to the People at the Pump!
• GasPriceWatch's simple rules to live by when trying to improve your fuel economy
  and at the same time make your gasoline dollars go further
• Easy Ways to Save Energy (PDF 2.7 MB)
• RMI.org's Household Energy Efficiency - Home Energy Briefs
• USDA - Learn more about energy and renewable fuels.
• Gas Mileage, safety, air pollution and greenhouse gas emissions for new and used cars and trucks.
• The Alliance to Save Energy
• American Council for an Energy Efficient Economy
• Alliance to Save Energy: Consumers Information
• Consumer Tips to $ave Energy and Money
• Renewable Energy Basics
• Schatz Energy Research Center
• Real Goods - Environmental and Renewable Energy Informaton Center
• U.S. Department of Energy's Office of Energy Efficiency and
  Renewable Energy Solar Energy Technologies program
• NCPV's Frequently Asked Questions about Photovoltaics (PV)
• Solar Energy International's Links page
• ASES - The American Solar Energy Society
• Solar Estimator: Is solar energy is right for your home or building?
• United Solar Ovonic - leader in thin film solar technologies and the manufacture of thin film solar electric modules and laminates
• U.S. Solar Radiation Resource Maps
• SolFocus - Concentrated Photovoltaics (CPV)
• Suntech PowerSolar Energy
• American Wind Energy Association
• eren.doe.gov/power/consumer
• National Biodiesel Board
• International Energy Inc - Algae to Oil
• Technology Breakthrough Cuts SWRO Energy in Half
  Low power bill makes seawater desalination affordable
• Solel Solar Systems Ltd. is a leader in solar thermal power/energy plants, both central and distributed.
• Cobasys - The technology leader in NiMH batteries for both transportation and stationary applications.
• Altairnano: Nanosafe Batteries.
• FireFlyEnergy: innovative material science that removes almost all limitations of current lead-acid battery products.

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