Gas prices continue to fall across Oregon. The average price for a gallon of regular gas has dropped 17 cents to $4.60 here in Oregon. According to AAA it's the fifth largest drop for a state in the nation. It's about time don't you think. The national average is $3.64 while the average here in Oregon is almost a dollar more at $4.60. .Gasbuddy.com says the cheapest gas in the Portland area is $3.85 at several COSTCO locations. Here is the link to more affordable gas through Gasbuddy.com.