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 - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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