Re: Beyond Ethanol -- The Environmental Lounge

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Subject: Re: Beyond Ethanol

Author:
Duncan7

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Date Posted: 22:17:17 01/30/08 Wed
In reply to: larry 's message, "Beyond Ethanol" on 17:23:21 01/30/08 Wed

Not going to save the world, but it is good stuff. I use it in every batch now. More expensive, but you get what you pay for.

>it makes less fuel from corn. but its going to save
>the world lol
>
>For now, making butanol is far less efficient than
>making ethanol in large part because it's more toxic
>to the microbes that ferment it. As a result, every
>bushel of corn yields less than 2 percent butanol,
>versus about 12 percent for ethanol. To change that,
>BP has enlisted DuPont scientists to genetically
>engineer hardier microbes. According to John Ranieri,
>head of biofuels development for DuPont, this will
>drastically improve butanol's yield, clearing the way
>for what is potentially a much more useful fuel.
>
>Butanol has a chemical structure that provides
>advantages over ethanol. For instance, unlike ethanol,
>which is difficult to store and can corrode pipelines,
>butanol could make use of existing infrastructure. It
>could also be blended into conventional gasoline at
>higher rates than ethanol because of its low vapor
>pressure, which decreases its volatility and reduces
>fumes. And its higher energy content means it would
>provide better fuel economy than today's biofuel of
>choice.
>
> >href="http://www.popsci.com/environment/article/2008-01
>/beyond-ethanol">http://www.popsci.com/environment/arti
>cle/2008-01/beyond-ethanol

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