HOUSTON (AP) — Retail gasoline prices across Texas have increased 3 cents this week.

AAA Texas on Thursday reported the average price at the pump reached $3.57 per gallon. The national average is down a penny to settle at $3.69 per gallon.

The association survey found Beaumont has the cheapest gasoline statewide at $3.44 per gallon. Fort Worth has the most expensive retail gasoline in Texas at $3.68 per gallon.

Texas drivers on average are paying 18 cents per gallon less than a year ago.

AAA says crude oil prices have posted slight gains in recent weeks as a result of positive economic news.