(Portland, OR) -- President Biden's announcement that a million barrels of oil a day will be released from the Strategic Petroleum Reserve to refineries has resulted in lower crude oil prices and lower gas prices in Oregon and nationwide. Triple-A reports that since the announcement, the national average price for a gallon of gas declined seven cents to four dollars and 18 cents, and Oregon's average declined four cents to 4.68. Oregon's price is still a dollar 49-cents higher than this time last year. Diesel in Oregon declined a nickel to five dollars and 43 cents a gallon.