RIO GRANDE VALLEY - According to Triple A Texas, the average price for a gallon of regular unleaded gasoline is $3.20 per gallon.

The number is .04 cents less than last week and a whopping .18 cents less than the national average. The most expensive gasoline average average in the state is in Amarillo at $3.26 per gallon with Corpus Christi reporting the least expensive of an average of $3.11.