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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Because you can make ethanol anywhere, while oil only comes from a few places.
The ethanol is less efficient than gasoline, but it’s still a pretty good biofuel. E85 is 85% ethanol and only loses 25% distance/tank. (E85 is new and quite rare, but it’s the only one I know the % of)
While it’s true you may need to fill your tank a bit more often, the ethanol is far, far cheaper to make. It doesn’t have to be shipped from Russia or the Middle East (for example), which means it has less impact on the environment. And you aren’t as dependent on foreign policy for your gasoline.
Ethanol can also be made from some waste materials, cleaning up the planet slightly.
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