AVGAS 100LL: Contains a lower amount of tetraethyl lead and is blue in color. The "LL" stands for "Low Lead." Jet fuel is used in aircraft with jet engines, turboprops, and turbine engines.
This video from [Just Think] caught our attention for open-flame testing of 6 different commonly used liquid fuels: Jet-A, diesel, heating oil, kerosene, avgas (100LL), and gasoline (or petrol ...