A new method has been found by Pacific Northwest National Laboratory scientists to capture geothermal energy from lower temperature energy sources. In related geothermal news, a new study by NYU Stern Professor Melissa Schilling found that geothermal is producing the greatest efficiency returns per R&D dollar invested, with wind in second. Solar energy is quite a ways behind, and fossil fuel efficiencies are stagnant, if not dropping, despite getting a huge amount of the R&D budget.
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The US has pledged almost a half a billion dollars to developing and deploying geothermal and solar energy technologies.
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Banana peels are being mixed with sawdust to make briquettes that can be burned for heat and cooking in some regions of Africa where bananas are a staple crop.
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