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103 energy3 - OUTLINE ALTERNATIVE ENERGY 2 1 MANY POSSIBLE...

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OUTLINE: ALTERNATIVE ENERGY 2 1. MANY POSSIBLE ALTERNATIVES: 2. ETHANOL. 3. SOLAR ENERGY. 4. NUCLEAR ENERGY. Suggested readings: two articles in April 2006 National Geographic: “Inside Chernobyl” and “Nuclear Comeback”.
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POSSIBLE ENERGY ALTERNATIVES 1. BIOMASS – WOOD, GRASS, CORN, ETC. 2. WIND 3. SOLAR 4. HYDROGEN 5. TIDAL ENERGY & OCEAN WAVES. 6. GEOTHERMAL. 7. NUCLEAR POWER.
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ETHANOL (biomass) DEFINITION: _________________________ _____________________________________. TWO TYPES : CORN-BASED ETHANOL : ______________ _____________________________________ _____________________________________. CELLULOSIC ETHANOL : ________________ ______________________________________ ______________________________________
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FUELS LOW ETHANOL MIXES (“E-10”): __________ _____________________________________ _____________________________________ HIGH ETHANOL MIXES (“E-85”): __________ _____________________________________ _____________________________________ “FLEX-FUEL” CARS : ____________________ _____________________________________.
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QUESTIONS 1. DOES SWITCH TO ETHANOL ACTUALLY REDUCE FOSSIL FUEL USE? WHY ARE WE RESTRICTING SUGAR-BASED ETHANOL? 2. CELLULOSIC ETHANOL HAS BETTER YIELD & PRODUCES LESS GREENHOUSE GASES, BUT TECHNOLOGY NOT THERE YET, AND DOESN’T HELP CORN GROWERS. 3. E10 FUEL PRODUCES MORE VOCs, THUS MORE OZONE & SMOG. E85 PRODUCES LESS. 4. SHOULD WE USE FARMLAND TO GROW FUEL? PRICES FOR TORTILLAS, BEEF, ALREADY RISING. WHERE IS THE LAND?
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SOLAR ENERGY ULTIMATE RENEWABLE RESOURCE _______________________________, _______________________________, USING 1990s PRICES, TYPICAL AMERICAN HOME GETS _____________WORTH OF SOLAR ENERGY
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