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Published byJoan Skinner Modified over 9 years ago
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Alternative Renewables
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Biofuels Plant or animal material 3 types – Biomass Wood, yard waste Methane from landfills, feedlots Burned and used to create steam electricity – Biodiesel Oils or algae Byproduct: Glycerin Pure or mixed Energy Information Decreased emissions Storage
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Ethanol Corn or sugar cane Mixed with gasoline Byproducts used as feed Energy Information – In vs Out – Final product Decreased emissions
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Biofuels Advantages EES 1 st EES 4 th EES 6 th EES 7 th Disadvantages
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Geothermal Uses naturally hot air underground Pump air to surface Requires energy Remove toxins Spins turbines, turns generators Cooler air sinks Process repeated Reverse – air conditioning
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Hydrogen Separated from water Using lots of electricity Burned for energy Cars Clean Energy Information
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