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Watch Solar Hot Water Shower

Solar Hot Water Shower DIY Part 2


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Disposable Cardboard House Video


Watch Photobioreactor for Algae Biofuel Thumbnail

Photobioreactor for Algae Biofuel Video


  

 

 

 

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Solar Water Heating Maps (USA)

Reviews payback, savings to investment ratios, electric rate needed to produce SIR, system cost needed to produce, SIR.