A perfect example is the Toyota Prius hybrid I have driven since last July. Toyota not only allows ethanol blends to be used in this car, but they strongly encourage it. The Prius has a 5 cycle Atkinson cycle engine that can adjust cylinder pressure to what ever the fuel octane will allow to get the best efficiency without detonation out of the avalible fuel. The static compression ratio of it's engine is 13/1, perfect for best efficiency of ethanol blended fuel. The whole theme of the Prius is top fuel economy, and it has a very accurate fuel milage computer. I have run it with pure 87 octane gasoline and with 89 Octane E10. Results over 5000 miles shows that the Prius makes a consistant 4 mpg better with 89 octane E10 compared to pure 87 octane gasoline. An engine runs on cylinder pressure, not just heat. The engines ability to produce the most gas expansion with a given fuel is more important than pure BTU's, as the Prius clearly demonstrates.
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Today's Featured Article - Museum Coverage: The Stuttgart Agricultural Museum - by Cindy Ladage. While cold wind was blowing back in Illinois, in Arkansas, daffodils were in bloom, and the Magnolia trees were adorned with fragrant blossoms. Stuttgart, Arkansas was the site of this year's winter Minneapolis Moline Collector's show February 25-27, 1999. The show was held at the Oliver Museum created by Don Oliver, the pioneer of the four wheel drive tractor. Oliver along with Gale Stroh and Kenneth Bull using Minneapolis Moline tractors and parts created what has become known as
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