Testing for Ethanol in gasoline

[1fastmerc]

Originally Posted by DannyI

Not sure if your right about that. I retired 42 years in CITGO refinery lab and in charge of instruments checking ethanol specs in our gas. When it leaves the plant it will be free of ethanol, and I believe the tankers are dedicated to ethanol or ethanol free gas. However, if they are able to cross fill the tanks in the trucks, if it previously had ethanol gas, and the tank was empty, and refilled with ethanol free gas, the amount of ethanol left would be so small it would hardly register on one of the test kits. The spec for ethanol gas is 10% ethanol added to the gas, can't be less, but can be a little more, but u loose profit by adding over spec.


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When I hauled fuel we used the same trailers for both. Like you said there is do little left in the tank that it doesn't make a difference.


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