Eli5 Ethanol added to gasoline

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Almost every station I go to has ethanol (up to 10%) added to gas. For a long time I had the option in my area to buy non ethanol gas but now it’s harder to find.

If a gallon of ethanol gets less mileage per volume than gasoline, then how is it better for the environment if I have to fill that much sooner on gas because the ethanol component lowers my tank range?

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Anonymous 0 Comments

>Almost every station I go to has ethanol (up to 10%) added to gas. For a long time I had the option in my area to buy non ethanol gas but now it’s harder to find.

>If a gallon of ethanol gets less mileage per volume than gasoline, then how is it better for the environment if I have to fill that much sooner on gas because the ethanol component lowers my tank range?

Ethanol is a renewable resource.
Not a particularly efficient one and you still have to *set it on fire* but a renewable one nonetheless. That pretty much automatically puts it ahead of **any** non-renewable resource in terms of sustainability with no other factors to consider.

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