The average price for a gallon of unleaded gas in Arkansas is $3.43 _ which is 20 cents higher than it was a month ago.
AAA said the national average Tuesday is $3.57 a gallon. That's also up almost 20 cents from last month.
The surge in gas prices follows an increase in the price of oil.
In Arkansas, the Pine Bluff metro area had the most expensive gas, averaging $3.47 a gallon. The price was $3.43 in the Little Rock-North Little Rock area, and $3.36 in northwest Arkansas.
Prices in Texarkana were $3.43 per gallon.
The AAA said the highest recorded price in Arkansas for a gallon of unleaded gas was $3.98 in July 2008.