As I stated in both of my posts, My Prius makes more MPG with 89 octane E10 than it does with 87 octane gasoline. E10 is 10% ethanol, 90% gasoline which is only down 3.5% on BTU's compared to pure Gasoline,
Your own admission that an engine optimized for ethanol can gain 5-7% efficiency, while only losing 3.5% BTU's with an E10 blend.
Nowhere in my post did I claim to gain mpg while burning E100 VS gasoline.
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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