Renewable Radio 4/04/08
April 4th, 2008 | by Administrator |Producer/Host: Dave Evans
Topics:Â Bio-digesters and microhydro
What is a bio-digester? How do green-house gas emissions of bio-digesters compare to septic systems or compost piles? Can a barge harvest tidal energy?
Guest: Frank Heller, Katahdin Energy Works
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