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Politics : Foreign Affairs Discussion Group -- Ignore unavailable to you. Want to Upgrade?

To: geode00 who wrote (175986)	11/27/2005 3:36:17 PM
From: Wharf Rat	Read Replies (1) \| Respond to of 281500

Gasoline? Anyway, these figures seem way off. You can get about 70 gal/acre of ethanol using corn. With hemp or palm oil, 600-700 gals. With algae, 10-20 K gallons. Message 21407784

To: geode00 who wrote (175986)	11/27/2005 4:04:08 PM
From: bentway	Read Replies (2) \| Respond to of 281500

What I've read is that it takes a gallon of gas ( counting all the farming, fertilizing, processing, transporting, etc. ) to get a gallon of ethanol from corn. Sugar cane is MUCH more productive, which is why it works in Brazil.

To: geode00 who wrote (175986)	11/27/2005 4:05:23 PM
From: Ish	Read Replies (2) \| Respond to of 281500

Way off. <<I don't know if these calculations are true but what if they're even remotely so? It takes 40 acres of wheat to make a gallon of gasoline.>> You can't make gasoline from wheat no matter how many acres. <<If the US consumes 20 million bbls/days or around 500-700 million gallons a day, it would require 20 billion acres of wheat or corn or whatever a day? The US has 2.3 billion acres of land in total?>> Total acres of the US in crop land as of 2002 was 434 trillion acres. Say 1/3 was in corn, that's about 150 trillion acres averaging about 140 bushels per acre. It takes about 3.5 bushels of corn to make a gallon of ethanol. Then you have bio diesel which is made from used cooking oil.