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The Water Cooler
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Government Forcing Gas Prices Up So We Go Green?
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<blockquote data-quote="HiPower" data-source="post: 1482920" data-attributes="member: 9717"><p>Well, U.S. imports about a bit over 3 billion barrels of oil/yr. If you converted every arable acre to switch grass (and we'll assume it will grow on all 464 million arable acres), and use the study numbers, that comes out to 11.8 billion barrels of ethanol. Based on those raw numbers, no the math doesn't work. However, that arable land number assumes that no one lives on arable land. We'd all be living in the mountains or deserts somewhere. All cities/towns/roads etc would be gone.</p><p></p><p>We also know that switchgrass won't grow on the vast majority of that land due to weather. If you use corn, ethanol production drops to 500 gallons/acre or so <em>at best</em> (2.7 gallons/bushel, 183 bushels/acre average in Iowa - highest production in the country)</p><p><a href="http://wiki.answers.com/Q/How_many_bushels_of_corn_can_you_get_from_an_acre_of_corn" target="_blank">http://wiki.answers.com/Q/How_many_bushels_of_corn_can_you_get_from_an_acre_of_corn</a></p><p><a href="http://www.educationworld.com/a_lesson/TM/WS_lp324-01.pdf" target="_blank">http://www.educationworld.com/a_lesson/TM/WS_lp324-01.pdf</a></p></blockquote><p></p>
[QUOTE="HiPower, post: 1482920, member: 9717"] Well, U.S. imports about a bit over 3 billion barrels of oil/yr. If you converted every arable acre to switch grass (and we'll assume it will grow on all 464 million arable acres), and use the study numbers, that comes out to 11.8 billion barrels of ethanol. Based on those raw numbers, no the math doesn't work. However, that arable land number assumes that no one lives on arable land. We'd all be living in the mountains or deserts somewhere. All cities/towns/roads etc would be gone. We also know that switchgrass won't grow on the vast majority of that land due to weather. If you use corn, ethanol production drops to 500 gallons/acre or so [I]at best[/I] (2.7 gallons/bushel, 183 bushels/acre average in Iowa - highest production in the country) [URL="http://wiki.answers.com/Q/How_many_bushels_of_corn_can_you_get_from_an_acre_of_corn"]http://wiki.answers.com/Q/How_many_bushels_of_corn_can_you_get_from_an_acre_of_corn[/URL] [URL="http://www.educationworld.com/a_lesson/TM/WS_lp324-01.pdf"]http://www.educationworld.com/a_lesson/TM/WS_lp324-01.pdf[/URL] [/QUOTE]
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