COPPELL, Texas (AP) — Retail gasoline prices in Texas are unchanged this week at an average $2.23 per gallon.

AAA Texas on Thursday reported that compares to the nationwide average of $2.47 per gallon, which is up a penny from last week.

The association survey found San Antonio has the cheapest gasoline in Texas this week at an average $2.11 per gallon. Drivers in El Paso face the most expensive gasoline statewide at $2.35 per gallon.

AAA officials say this week's capacity of Gulf Coast refineries surpassed 90 percent for the first time since Hurricane Harvey made landfall in South Texas on Aug. 25.