Home Brewed Ethanol

New York Times
April 27, 2008

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Home Brew for the Car, Not the Beer Cup

By MICHAEL FITZGERALD

WHAT if you could make fuel for your car in your backyard for less than you pay at the pump? Would you?

The first question has driven Floyd S. Butterfield for more than two decades. Mr. Butterfield, 52, is something of a legend for people who make their own ethanol. In 1982, he won a California Department of Food and Agriculture contest for best design of an ethanol still, albeit one that he could not market profitably at the time.

Now he thinks that he can, thanks to his partnership with the Silicon Valley entrepreneur Thomas J. Quinn. The two have started the E-Fuel Corporation, which soon will announce its home ethanol system, the E-Fuel 100 MicroFueler. It will be about as large as a stackable washer-dryer, sell for $9,995 and ship before year-end.

The net cost to consumers could drop by half after government incentives for alternate fuels, like tax credits, are applied.

The MicroFueler will use sugar as its main fuel source, or feedstock, along with a specially packaged time-release yeast the company has developed. Depending on the cost of sugar, plus water and electricity, the company says it could cost as little as a dollar a gallon to make ethanol. In fact, Mr. Quinn sometimes collects left-over alcohol from bars and restaurants in Los Gatos, Calif., where he lives, and turns it into ethanol; the only cost is for the electricity used in processing.

In general, he says, burning a gallon of ethanol made by his system will produce one-eighth the carbon of the same amount of gasoline.

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