Regular, Premium Or Single-Malt?

Edward Niedermeyer
by Edward Niedermeyer

No, it’s not a Mel Gibson joke… Scientists at Edinburgh Napier University have developed a formula for making butanol biofuel out of byproducts of the Scottish whiskey industry, reports Sky News. Apparently researchers

combined so-called pot ale – the liquid from the copper stills distillery equipment – and the spent grains used to make whisky, also known as draff

to create Butanol, an ethanol-like biofuel. Unlike the corn juice, however, Butanol can run in any gas-powered engine and does not degrade components over time.

Scotland’s whiskey industry produces 1,600 million liters of pot ale and 187,000 tons of draff, but scientists aren’t revealing how much of each ingredient is needed to produce a given amount of biofuel. Though it’s clear that the Scotch butanol won’t take over the world (barring some kind of brilliant cross-marketing scheme), it’s a solid, pragmatic local energy solution. The Scots can enjoy reduced-guilt internal combustion transportation, the rest of the world can enjoy their delicious local beverage, and some very lucky draff gets to become an ingredient in two of life’s greatest pleasures. What more could anyone ask for?


Edward Niedermeyer
Edward Niedermeyer

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  • Maybe if the whole world switched from drinking coffee to drinking scotch? No? Damn.

  • Porschespeed Porschespeed on Aug 18, 2010

    Holy Old News Batman! Butanol has been around for, well, forever, in terms of altfuel.

    • Steve65 Steve65 on Aug 18, 2010

      The story does not claim butanol is new. It reports a newly-developed method for making it from brewery leftovers which would otherwise be discarded as a waste product.

  • Ronnie Schreiber Ronnie Schreiber on Aug 18, 2010
    Butanol, an ethanol-like biofuel It's only "ethanol-like" in that they are both alcohols. It's been almost 40 years since I had a chem class, but I'm pretty sure that ethanol is ethane with one of the Hydrogen atoms replaced with the hydroxyl group (OH) common to alcohols. Butanol is the alcohol of butane. Since it has an additional carbon atom, there's more available energy in butanol than in ethanol. The DuPont company is a major backer of butanol fuel - they have some kind of proprietary process for making it. Ethane - C3H6 Ethanol - C3H5OH Butane - C4H10 Butanol - C3H9OH
    • Mrwright Mrwright on Aug 18, 2010

      Very close. Ethane--C2H6, Ethanol--C2H5OH, Butanol--C4H9OH As I've passed on to my kids from my high school chem teacher: Monkeys, Eat, Peeled, Bananas (meth = 1, eth = 2, prop = 3, but = 4).

  • Lokki Lokki on Aug 18, 2010

    This story reminds me of the Scotsman seeing his first baseball game and his remarks upon hearing that a batter had 4 balls. Paraphrasing here... Does your sportscar really run on scotch? Run? It runs with pride, man, it runs with pride!

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