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originally posted by: ANNED
Increasing ethanol also allows gas stations to add more water to there tanks.
This allows some flaky station operators to sell more gas then they buy from the oil companies
This will damage engines with fuel injection. and can cause some fuel pumps to ice during the winter.
originally posted by: mtnshredder
I work for a company that sells gas, maintaining and testing stations is my job. We have more problems with E-10 tanks, lines and dispensers than any thing else. Biggest problem being water in tanks. Ethanol blended fuels are unstable, easily effected by moisture, temp and absorbs moisture quickly.
87 octane E-10 starts life as 84 octane 100% gas which is then blended with up to 10% ethanol to achieve a octane grade of 87. In a moist environment, the alcohol absorbs the moisture, which in turn creates phase separation in the fuel, as this process starts to do what we call "dropout", the moisture drops to the bottom leaving you with 84 octane fuel, which should then be removed because it no longer meets the octane requirement, but it doesn't and is almost always sold to the consumer. It creates a very gummy varnish, corrosive to engines (especially aluminum), boils off in high temps and on and on I could go. It's just bad stuff all the way around. These issues will obviously only worsen with a E-15 blend.
This has everything to do with big corp and political buyouts.
Ummm...ethanol is a solvent...it cleans the residue from your fuel tank and lines and sends it...through your filter into your engine...