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non-powered dam

Although more than 92,000 dams populate the country, the vast majority — about 89,000 — do not generate electricity through hydropower.

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Biofuels pioneer Mascoma LLC and the Department of Energy's BioEnergy Science Center have developed a revolutionary strain of yeast that could help significantly accelerate the development of biofuels from nonfood plant matter.
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A major multinational report on bioenergy and sustainability released Tuesday concludes the sustainable production of bioenergy can be an important tool for addressing climate change. Two researchers at the Department of Energy's Oak Ridge National Lab...

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Scientists focused on producing biofuels more efficiently have a new powerful dataset to help them study the DNA of microbes that fuel bioconversion and other processes.