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U.S. To Phase Out Incandescent Light Bulbs

Photo credit: USA today After being passed by Congress, Bush just signed into law a massive energy bill that will, among other things, spell the end of traditional light bulb. USA Today reports that the bill will phase out the venerable (but power-hungry) incandescent bulb over the next dozen years in favor more efficient fluorescent, […]

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New Record: World’s Largest Wind Turbine (7+ Megawatts)

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The world’s largest wind turbine is now the Enercon E-126. This turbine has a rotor diameter of 126 meters (413 feet). The E-126 is a more sophisticated version of the E-112, formerly the world’s largest wind turbine and rated at 6 megawatts. This new turbine is officially rated at 6 megawatts too, but will most […]

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Electric Tankless Water Heaters

Note: This post has been expanded and updated for 2009! Tankless water heaters only heat water when it is needed. About 8% to 30% of the energy consumed by a standard water heater goes to keeping the water hot while it’s not being used. New tankless systems heat the water instantly when you turn on […]

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The Best Water Filters Of 2010

Megahome Countertop Distiller

There are a lot of misleading claims about water filters. Many filters are marketed with general statements like “improves taste and odor”. But filter manufacturers don’t mention the specific amount of pesticides or chloramines removed, for example.

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Costa Rica Is 99% Powered By Renewable Energy

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Costa Rica is a country rich with renewable energy. In fact, it gets about 99% of all its electrical energy from clean sources, and it’s aiming to be the first country to become carbon neutral (more about that below). Some of Costa Rica’s energy sources include geothermal energy, the burning of sugarcane waste and other […]

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