No change in the price of a gallon of gas in the Beaumont/Port Arthur are over the past week as it stays at $2.71 a gallon. Last year old August 15th, we were paying $3.00 a gallon. The average price of a gallon across Texas is $2.77, up four cents. The national average stays at $3.15. Mississippi is reporting the lowest average in the nation at $2.69, while California has the highest at $4.49 a gallon. These averages are reported daily by Triple A Texas.