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Strategies & Market Trends : Booms, Busts, and Recoveries
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To: el_gaviero who wrote (64083)5/22/2005 9:40:45 PM
From: Seeker of Truth  Read Replies (2) of 74559
 
Hi el-g,
As you know production of carbohydrate by green plants requires sunlight and warmth. We can't grow green plants in Antarctica even in the bright sunlight of their midsummer. In the tropics,e.g. Brazil, warmth is more abundant hence cheaper in energy terms than in the US. Similarly with the tropical sunlight. So there is energy profit in growing plants for ultimate partial conversion to ethanol, in Brazil, as witness the popularity at the present of unsubsidized ethanol there. It requires special engines. Heat and light are less abundant in,e.g. North America, so ethanol production doesn't pay here in energy terms. Of course Brazil cannot supply the world with enough ethanol, so I myself am still anticipating rising world oil prices, which is the point of the discussion, I presume.
MB
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