All I know is they are still dealing with the DOE( to reverse latest DOE decision) as well as with various US and foreign banks for complete financing of the Fulton plant(s). The Chinese seem to be extremely cautious and slow to make big committments.
Regarding the choice between ethanol, biobutanol, or any other chemical that can be derived from sucrose, that is more of a marketing decision than a technological one, although there would be some changes in the final conversion process.
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