The auto club says that besides a rise in crude oil prices, prices at the pump faced upward pressure from refiners' seasonal switch to a cleaner-burning, more expensive summer blend.
The cheapest gasoline in Texas is found in Corpus Christi, where the average price of a gallon of regular unleaded rose by a nickel to $3.43. The most expensive gasoline is in Fort Worth, where the average price jumped 14 cents to $3.58 per gallon.