Tanker trucks are parked near the entrance of Colonial Pipeline Company Wednesday, May 12, 2021, in Charlotte, N.C. Several gas stations in the Southeast reported running out of fuel, primarily because of what analysts say is unwarranted panic-buying among drivers, as the shutdown of a major pipeline by hackers entered its fifth day. (AP Photo/Chris Carlson)

Safety cones block access to the fuel pumps at this closed Kroger fuel station, Wednesday, May 12, 2021, in Jackson, Miss. State officials warned Tuesday that any shortages seen at individual gas stations are a result of people "panic buying", not the Colonial Pipeline shutdown itself, and call on residents to limit unnecessary travel and only buy as much gasoline as they need. (AP Photo/Rogelio V. Solis)

In this aerial image taken with a drone, numerous vehicles line up for gasoline at Costco on Wendover Avenue in Greensboro, N.C., on Tuesday, May 11, 2021. As the shutdown of a major fuel pipeline entered into its fifth day, efforts are under way to stave off potential fuel shortages, though no widespread disruptions were evident. The Colonial Pipeline, which delivers about 45% of the fuel consumed on the East Coast, was hit by a cyberattack on Friday. (Woody Marshall/News & Record via AP)

Cars line up on Pine Plaza Drive for gas at the Costco in Apex, N.C., Wednesday, May 12, 2021. Several gas stations in the Southeast reported running out of fuel, primarily because of what analysts say is unwarranted panic-buying among drivers, as the shutdown of a major pipeline by hackers entered its fifth day. (Ethan Hyman/The News & Observer via AP)

A sign reading "Out of Fuel" is taped to the window at an Exxon Gas Station on Boonsboro Road in Lynchburg, Va., Tuesday, May 11, 2021. More than 1,000 gas stations in the Southeast reported running out of fuel, primarily because of what analysts say is unwarranted panic-buying among drivers, as the shutdown of a major pipeline by hackers entered its fifth day. In response, Virginia Gov. Ralph Northam declared a state of emergency. (Kendall Warner/The News & Advance via AP)

The Speedy Mart in Beulaville, N.C., was out of gasoline Tuesday, May 11, 2021. As the shutdown of a major fuel pipeline entered into its fifth day, efforts are under way to stave off potential fuel shortages, though no widespread disruptions were evident. The Colonial Pipeline, which delivers about 45% of the fuel consumed on the East Coast, was hit by a cyberattack on Friday. (Ethan Hyman

A customer helps pumping gas at Costco, as other wait in line, on Tuesday, May 11, 2021, in Charlotte, N.C. Colonial Pipeline, which delivers about 45% of the fuel consumed on the East Coast, halted operations last week after revealing a cyberattack that it said had affected some of its systems. (AP Photo/Chris Carlson)