Gas in the Dallas area is down 12¢ from last week, now averaging $3.65 a gallon. Filling a 15-gallon tank in the Dallas area costs about $17 more than a year ago. It is $3.65 a gallon, $1.12 more than a year ago. Filling a 15-gallon tank costs about $17 more. It is $3.65 a gallon, down 12¢ from last week but still $1.12 above a year ago. Prices are AAA's daily averages for regular gas, last updated October 19.

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