The majority of the Colonial Pipeline, which operates the largest fuel transmission line from the Gulf Coast to the Northeast, has been offline since Friday. The company shut down its systems as a proactive measure after it fell victim to a ransomware attack by a criminal group known as DarkSide.

President Joe Biden said Wednesday afternoon to expect some “good news” from the company in the next 24 hours, saying the White House has been in “very close” contact with the company. Energy Secretary Jennifer Granholm previously said that the company would make a restart decision by the end of the day on Wednesday.

The pipeline is a critical part of U.S. petroleum infrastructure, transporting around 2.5 million barrels per day of gasoline, diesel fuel, heating oil and jet fuel. The pipeline stretches 5,500 miles and carries nearly half of the East Coast’s fuel supply. The system also provides jet fuel for airports, including in Atlanta and Baltimore.

Gas prices have moved higher in the wake of the pipeline’s shutdown, and the national average topped $3 per gallon on Wednesday for the first time since 2014. Some areas in the Southeast are also running short on fuel as consumers head to the pump, in many cases panic buying.