Here's a guy who is taking salvaged parts and making energy saving devices to live off the grid.
Scrap parts to make electricity (water turbine) and hot water (wood stove percolates hot water into a tank)
http://youtu.be/0ieFZI4-6K8
A wood fired water heater that gets to 566 degrees with a few little sticks of wood. http://youtu.be/5IRLVCJ1olA
or some homemade solar panels http://youtu.be/ouLa4Ftu3O8
or making your own fuel logs from scrap paper http://youtu.be/2aLZ88_DZz8
or making your own fuel logs from scrap paper http://youtu.be/2aLZ88_DZz8
or a parabolic lens solar cooker from a sheet of plastic. What happens when it rains? http://youtu.be/f_zKk03CJKU
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