The brief romance between $4-per-gallon prices and South Sound service stations appears to be over, at least for now.
The average price for a gallon of unleaded regular dropped to $3.92 a gallon Tuesday. A week earlier, that average price had been nearly $4.02 for a gallon.
South Sound prices had hit the $4 mark at mid-month and had lingered there for several days before moving abruptly lower over the weekend.
Prices are still considerably higher than they were a month ago when the average was $3.59 a gallon. But Tuesday prices nonetheless are way below the $4.27 a gallon …