Average gasoline prices in Chattanooga have risen 19.3 cents per gallon in the last week, averaging $2.76 per gallon on Monday, according to GasBuddy's survey of 170 stations in Chattanooga. Prices in Chattanooga are 2.4 cents per gallon higher than a month ago and stand 6.7 cents per gallon lower than a year ago. The national average price ... (click for more)