IRVING (October 29, 2009)--Retail gasoline prices in Texas have gone up 9 cents a gallon since last week, AAA-Texas reported Thursday.

AAA said the average price per gallon at the pump was $2.56 in Texas.

Prices increased 7 cents nationally to $2.69.

Houston, Galveston and San Antonio had the lowest averate price at $2.53 a gallon.

El Paso had the most expensive gas at $2.67, up 16 cents since last week.

The association said prices have increased by 28 cents a gallon in the last month, but equal prices from April 2007.

Rising oil prices and signs that the recession is over have contributed to gas price increases.