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Tag: "efficiency"

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New User-Friendly Solar Dish Collects & Concentrates Solar Rays Efficiently.

A successful test has been carried out of a new prototype solar dish that concentrates solar rays by 1,000 times, creating what inventor Doug Wood has called “the most efficient solar collector in existence.”
photo credit: Lui G
The device is a 12-foot-wide dish made from thin, mirrored aluminum tubing and strips of mirrored glass. Water [...]

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22 Ways To Energy Efficiency, From The Free To The Expensive.

From one of my favorite sites, Co-op America, here are 22 steps you can take — each with the energy savings you can achieve each year. Pick the ones you’ll do to get your first 10% energy savings. (These energy savings assume an average US home, which uses about 11,000 kilowatt-hours of electricity [...]

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