Fortnite Trick Lets Players Save Fuel While Flying Planes With the start of Fortnite’s Operation Snowdown event, the X4-Stormwing planes have once again returned to the battle royale game. This time though, they have a fuel tank to govern how long players are able to stay in the air, presumably to ensure that players don’t just fly above the battles the whole time while being protected by their planes. Players have already figured out a way to make the fuel last longer though so that they don’t run out as quickly, and there’s even a way to refuel them mid-flight.