Gizmodo

The Federal Aviation Administration (FAA) has implemented computer system changes to combat outages like the one that occurred on January 11, resulting in more than 11,000 flight disruptions.

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Tech Insider
An operator performs the maneuver to refuel an airplane.
Current US production of sustainable aviation fuel is around 4.5 million gallons per year. The White House wants to up production to 3 billion gallons by 2030, in order to fully decarbonize aviation by 2050.
Tech Insider : Travel
Canceled flight travelers line for booking in front of a Southwest Airlines sign at Denver International Airport in Denver, Colorado
Southwest Airlines gave 25,000 points to around 2 million people who were affected by flight delays, like people who stood in line in Denver over the holiday season.