Average US Gas Prices Rise a Penny, Reversing 11-Week TrendU.S. News & World ReportThe average price of a gallon of regular-grade gasoline rose about a penny nationally over the past two weeks, to $2.32. July 23, 2017, at 3:06 p.m.. MORE. LinkedIn · StumbleUpon · Google +; Cancel. Average US Gas Prices Rise a Penny, Reversing ...and more »