Prices are rising again.
The average price of gasoline in Chicago is $2.76 a gallon today, making it -- again -- the nation's most expensive gas.
Prices jumped 19 cents a gallon during the past two weeks, while remaining well below prices from a year ago.
The next highest gasoline was in Tucson, at $2.22, according to the national Lundberg Survey of fuel prices released Sunday.
Find the cheapest gas near you.