Drivers in the United States are seeing the price for retail gasoline slide as area refiners resolve issues and weather threats subside, motor club AAA reports. AAA reports a national average retail price for a gallon of regular unleaded for Wednesday at $2.19, almost 9 percent less than one year ago. Prices in the days before the Labor Day holiday in the United States turned slightly higher as some energy companies in the Gulf of Mexico suspended work amid uncertainty about the path of what eventually became Hurricane Hermine. “When it became clear that the storm would not impact production, prices dropped quickly during the second half of last week and through the weekend,” the motor club said in a holiday-delayed weekly retail market report . […]