No problem at all, E10 is recommended in the operators manual. I have a 2010 Prius and have run careful tests of the MPG over the last couple of years with 87 octane regular, 89 octane E10 and 90 octane premium gasoline. My BEST fuel economy is with a trusted high quality brand of E10.
The generation 3 Prius has an Atkinson cycle engine that runs a very high compression ratio (13/1) and can benifit from high octane fuel. If you can, buy from a station that has blender pumps, then you have a better chance that their E10 is a good quality 87 octane base stock with 10% Ethanol added. I have read that some cut rate outfits will use a poor quality gasoline stock and add Ethanol, sometimes in excess of 10%, until it meets the minimum 87 octane, not good stuff. Shop around for a store that has blender pumps and makes a quality product.
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Today's Featured Article - Diagnosing Engine Difficulty - Diesel Tractors - by Staff. The following suggestions are listed for your assistance. You can make simple adjustments on your tractor that will improve its operation and save you the time and expense of hiring someone to do it for you. Always make one adjustment at a time, and if the adjustment made does not improve the condition, return to the original setting before proceeding to the next adjustment. Hard Starting Cold air temperatures. Insufficient fuel.
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