Gas in the McAllen-Edinburg-Mission area is up 6¢ from last week, now averaging $3.78 a gallon. Filling a 15-gallon tank in the McAllen-Edinburg-Mission area costs about $17 more than a year ago. It is $3.78 a gallon, $1.14 more than a year ago. Filling a 15-gallon tank costs about $17 more. It is $1.14 more expensive than it was a year ago. Prices are AAA's daily averages for regular gas, last updated October 20.

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