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Turning winery waste into biofuel

Researchers have come up with another way to squeeze every last ounce of usability out of the winemaking process.

The team at Swinburne University of Technology in Australia broke down the leftover skins, seeds and other pulp that usually end up in the landfill.  When the grape waste was combined with fungi in a heat-activated pre-treatment, a series of acids, alcohols and simple sugars was produced.  These products can then be converted into biofuel.  The results could have industrial and medicinal uses while keeping winery waste out of the garbage stream.

The fermentation process takes about three weeks, a lot shorter than waiting for a good cabernet.

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