Get on my horse, I'll take you round the universe! (frostycakes) wrote in thequestionclub,
Get on my horse, I'll take you round the universe!
frostycakes
thequestionclub

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this has been stumping me and a friend for half of our roadtrip, soo...

why is it that in Iowa, mid-grade (89 octane) gas is anywhere from 8-10 cents cheaper a gallon than regular (87 octane) gas? and why is it that in colorado, the gas octanes go 85, 87, and 91, while in every state we've been in so far (nebraska, iowa, missouri, and kansas), they go 87, 89, and 91?
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