Takeaways:
- For the first time ever with passengers aboard, a United flight will take off from Chicago to Washington D.C. running on 100% sustainable aviation fuel.
- Although current regulations limit the potential blend to no more than 50%, the airline wants to show that it is possible to run entirely on sustainable fuel.
- The fuel is made from fats, cooking oils, and grease and contributes 80% less emissions than regular jet fuel.