I think the game handles the locomotives fine when it comes to fuel extraction using inserters, If you are having problems with inserters stealing fuel from the locomotive use smart inserters with filters to prevent such a problem. You can't go change the entire game around it.

Unless you are at ...

I have a game which was created with only the mods listed below active and played for about 12 hours. I activated bobs mods (all of them except bob's electronics) to play on a multiplayer server and accidentally forgot to disable bob's mods before loaded my save game. Once I realized what I did, I I ...