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Old 11-10-2010, 03:55 PM   #3 (permalink)
solarguy
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Join Date: Oct 2008
Location: up north
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Deep geothermal is often overlooked. While not widely available, in those areas, it's a big deal. Technological advances may broaden it's utility somewhat.

The other one that rarely gets mentioned is plain old aggressive conservation. Good conservation stretches the limited solar/wind/geo resources that much further.

eg, it's relatively easy to heat your house with solar energy, even in northern states, if the house is insulated to r-50, rather than the typical "r-13" or "r-19".

Neighborhood scale electrical co-generation could also potentially improve the overall efficiency of the "grid" from 30-35%, to more like 60-65%, regardless of which fuel you burn.

Please carry on.

troy
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2004 VW TDI PD on bio

want to build 150 mpg diesel streamliner.
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