LS22 relies on XML serialization for saving game states. If the expendable level is not properly saved, the vehicle will reload with a full (or empty) tank upon game restart.
: From custom dealership buildings to motorcycles like the Indian Challenger, they push the boundaries of what can be simulated in the game. Popular FS22 Releases fs22 expendables modding
Here is the critical part. Because expendables mods involve weapon systems, they live in a gray area. LS22 relies on XML serialization for saving game states