FoodCrisisNotess

FoodCrisisNotess - 1/19/2009 FOOD CRISIS (I) Production of...

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1/19/2009 1 FOOD CRISIS (I) Production of Biofuels FOOD CRISIS (II) Environmental Causes (Africa & Asia) RENEWABLE ENERGY Materials derived from recently BIOFUELS living organisms or they by- products. CO 2 Biofuel Ethanol: Sugarcane, Corn BIOFUELS Biodiesel: Vegetable oils Animal fats 50 % Car Fuel Consumption BRAZIL Sugarcane ethanol 42% World Ethanol Production Flex Cars
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1/19/2009 2 LESS POLLUTANTS LOWER MILEAGE X SUGAR SUGARCANE Extraction ETHANOL Fermentation Input Output Sugarcane Ethanol 1 8 ENERGY BALANCE Input Output Sugarcane Ethanol 1 0.44 GREENHOUSE GASES EMISSIONS MALT CORN Malting ETHANOL Fermentation LESS POLLUTANTS LOWER MILEAGE X ENERGY SAVINGS X CO 2 EMISSIONS X ENVIRONMENT X Input Output Sugarcane Ethanol 1 8 Corn Ethanol 1 <1 ? ENERGY BALANCE Input Output Sugarcane Ethanol 1 8 Corn Ethanol 1 >1 ? GREENHOUSE GASES EMISSIONS
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1/19/2009 3 CROP PRICE INCREASES Mars 2007-Mars 2008 CORN 31% SOYA 87% WHEAT 130% RICE 225% The grain required to fill the tank of a SUV with ethanol is sufficient to feed one person for a
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This note was uploaded on 03/31/2009 for the course CHEM 150 taught by Professor Shwartz during the Winter '08 term at McGill.

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FoodCrisisNotess - 1/19/2009 FOOD CRISIS (I) Production of...

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