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Oh, one other thing:
If you combined corn crops with soy crops, their yields, unfortunately are comperable. These two crops yield somewhere between 20 and 50 gallons of biodiesel per hectare... when doing the math there simply is not enough arable land in the US to suit our needs.
Recently, experiments have been done on algae that show these can produce up to 20,000 gallons of biodiesel per hectare... a staggering number. If we could use algea, it would take less than a tenth of a percent (I believe that is the number) of the US's land to replace gas in cars and to heat homes.
Even better, algae grow best in areas of high solar irradiation... meaning deserts... places of extremely low real estate value.
It's quite fascinating stuff, really.
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Samurai in Training
Knowledge is power. Guard it well.
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