The cost of that nitrogen and everything else needed to grow that corn was figured in to Gary"s equation, the 273 gallon gain was net gain after all costs. 273 x 77000 btus per gallon equals 21,021,000 btu net gain per acre from the sun very significant I would think. Just Google ethanol btu and read some of them. The first one claims ethanol is inefficient says it takes 140 gallons of fossil fuel to grow one acre of corn, not very much would be grown if that were true. He also claims it take 11 acres to fuel one vehicle that would be enough to go 100,000 miles on straight ethanol at 20 mpg or 1,000,000 miles at 90/10 blend. Another hit on Google shows several different studies showing it as efficient. 34% energy gain with only 17% of the energy being used coming from fossil fuels. Another said 6.34 btu gained from every one btu used. These were on a journeytoforever.org website and looked to be legit. Lee
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Today's Featured Article - New Hitches For Your Old Tractor - by Chris Pratt. For this article, we are going to make the irrational and unlikely assumption that you purchased an older tractor that is in tip top shape and needs no immediate repairs other than an oil change and a good bath. To the newcomer planning to restore the machine, this means you have everything you need for the moment (something to sit in the shop and just look at for awhile while you read the books). To the newcomer that wants to get out and use the machine for field work, you may have already hit a major roadblock. That is the dreaded "proprietary hitch". With the exception of the
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