Biodiesel produced by conventional means may use an inordinate amount of fossil fuel, as described in the Cornell/UCB study. But what about biodiesel produced by alternate means, i.e. tractors driven by solar-electric and processors heated by solar-thermal? We must think in a new way to achieve energy independence or we'll be hurtin' for certain sooner than later. I'm no tree-hugging hippy...in fact I think to the right politically, but it pains me to think we now send 60 billion dollars a year overseas to buy oil that could be better invested here. And I'm still wondering whether or not vegetable-based biodiesel burns cleaner than petro-based diesel. Anthony
Mike S <mikes@FLATSURFACE.COM> wrote: At 09:17 AM 6/26/2007, Anthony Egeln wrote... >What about diesel made from vegetable sources? Are they more green >(no pun intended!). I see a huge opportunity to produce vegetable >diesel on a very local level, not nationally for some time, but as a >cottage industry relatively soon. While recycling fryer oil from the local fast food might be "green," large scale biodiesel (or ethanol) production is not. http://www.scienceblog.com/cms/node/8353
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