We've been looking at wind generators for years since we like a small unit we've had for about 10 years. We also got a small set of solar panels to run a small Elec-Trak yard and garden tractor. 
But we both got excited when we saw the David Blume's DVD - "Alcohol Can Be A Gas!" and became determined to see how much of our home and farm energy needs could be filled with this system.
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What we found was it would supply our truck, auto and tractor with "gas-o-hol", we can cook with it in camp stove like stoves and ovens, it can be used to power a generator for electricity, which didn't require an extensive battery system to maintain, still technology is basic and hasn't changed much in 1,000s of years and if we stayed close to the Brazilian or Swedish model of production, we wouldn't be loosing a lot of land to the system.
As a matter of fact, having such a system will help improve our soil and that alone is what can really get a farmer excited.
To get us started, we needed to access the amount of fuel we need and how, when and where to grow it. The biggest investment into this system will be the still and cogeneration system, the one-time input of planting our feed-stock. From then on the there is a time investment of collecting the feed stock and processing it or about 1 day a week during the growing season.
All total, we will be investing land we weren't using anyway and time once the completed system is set up - not bad for old farmers.
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