Ethanol Still

Meet the EFuel100 MicroFueler the 'world's first home ethanol product'. It's a personal refinery system that hooks up to a water source, a power source and a waste water disposal outlet.
At $9,995, the MicroFuelers can be pre-ordered now and will ship in the fourth quarter of 2008.
You'll need a federal license to produce alcohol, of which ethanol fuel is a form. But MicroFueler executives said that the government isn't picky about granting them, and the approval process takes a matter of weeks.
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