During this period, the National Hurricane Center warns of increased storm activity, which could lead to the shutdown of offshore and Gulf Coast oil sites, further impacting oil production and potentially causing additional spikes in gas prices.
Gas prices are going up, highest cost per gallon since November nbcnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nbcnews.com Daily Mail and Mail on Sunday newspapers.