Piezoelectric Hydropower System May Power 20-40% of Pennsylvania Town
Treehugger (Free subscription) | 09/02/2008
photo: Casey West Hydroelectric power generally conjures up images of massive dams creating reservoirs behind them, submerging trees and sometimes even towns. While technically a form of renewable energy (and generally included by most countries when they tout how much of their electricity is generated from renewable sources), large scale hydro isn’t exactly environmentally friendly....
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