The corn state

I decided to make a detour off our trip so that the boys could add another state they have visited. Our drive was on country two lane roads and we went by miles and miles of corn fields.  Corn is obviously big business in Iowa, even the gas stations are involved as they offer different percentages of corn based fuel at the pumps. The stations advertise 87 octane unleaded as premium but when it's the only gasoline offered at the pump I guess it would be premium.