As Tropical Storm Isaac swamps the nation's oil and gas hub along the Gulf Coast, it's delivering sharply higher pump prices, even to some areas outside the storm's reach.
Some drivers are being hit with the biggest one-day jump in gasoline prices in 18 months.
Gas prices in Ohio have edged up just slightly in the past week.
The average price for a gallon of regular gas was $3.76 in Monday's survey from auto club AAA.
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