(Portland, OR) -- Gas prices in Oregon are falling, but they're still higher than this time last year. Triple-A reports the national average is down eight cents to $3.85 a gallon and Oregon's average is down 15 cents at $4.68. That's still 65 cents more a gallon that it was during last year's Fourth of July week. The fragile agreement between the U.S. and Iran while negotiations continue on an agreement to end the war is allowing oil prices to decline.