Retail gasoline prices across Texas are up 3 cents this week to reach an average $1.89 per gallon.
AAA Texas on Thursday reported gasoline prices nationwide rose a nickel to average $2.06 per gallon.
Amarillo has the cheapest prices at the pump statewide with gasoline an average $1.78 per gallon.
The latest news from around North Texas.
The association survey found Dallas and Fort Worth with the most expensive gasoline in Texas at $1.98 per gallon.
Experts say many refineries are doing seasonal maintenance, leading to a decline in fuel production.
Refineries are preparing to produce summer-blend gasoline.