IRVING (October 15, 2009)--Retail gasoline prices in Texas have gone up by 4 cents a gallon since last week, AAA-Texas reported Thursday.

AAA said the average price per gallon at the pump was $2.33.

Prices increased 2 cents nationally to $2.49.

Houston had the cheapest gasoline in Texas at $2.27 a gallon, while El Paso had the most expensive gasoline at $2.40.

An auto club statement said a belief by economists that the recession is over and increased economic activity has led to an increase in oil and gas prices.