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They addressed that problem. The cost of the ethanol is less than 50% of the gasoline cost, making it cheaper per mile. Since they do not have to import it, their economic dependence on Venezuela and the ME is reduced to close to zero.
As for the AZ project, that heat is totally solar. Converting 540 degrees f to to steam via a heat exchanger isn't really that inefficient.
Just as a personal aside, the US sits on an unlimited source of low cost energy which would produce no greenhouse gases...Yellowstone!!
Thermal energy..the forgotton energy source...Just ask the Icelanders with they year round hot baths and zero cost heating and electricity!! Yeah..they have occasional lava flows..I know...But that isn't the result of the power generation, it would happen there anyway!!
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Bob S. former owner of a 1984 silver 944
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