Demand pressures push retail gasoline prices higher for more than half of the U.S. states, motor club AAA reported. File photo by Ismael Mohamad/UPI. July 11 (UPI) — Though regional markets are mixed, the rise in consumer demand has led to a slight increase in retail gasoline prices in the United States, AAA reported. Gasoline prices are 3.5 percent less than they were this time last month, according to the motor club, but higher than they were last week. “Drivers are beginning to see increased prices at the pump mainly due to increased demand as a result of cheaper prices than usual for the summer driving season,” AAA spokesperson Jeanette Casselano said in a statement . Retail gasoline prices had moved lower for almost five weeks straight. For Tuesday, the motor club reports a national average price for a gallon of regular unleaded gasoline at $2.26, about 3 cents […]