PIEDMONT, Calif. (KGO) -- Deep in the Piedmont Hills, Gregg Semler and Casey Leblanc are checking up on what could be described as the Bay Area's newest and smallest hydroelectric power plant. Semler ...
The excess pressure in water pipes can be used to spin miniature hydroelectric turbines, providing an underutilised source of clean energy. Some envision a distributed network of small turbines ...
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