I support this.

Sometimes one has an excessive amount of oil (refined mostly), it would be handy if you could just dump it in nature.

Some sort of open end to a pipe that get's served last and just dumps it in nature. Off course the pollution in that area should rise a lot.

Thank you, but I cannot find the player-data.json. The only json's I find have nothing to do with players and the only player things i find are sprite sheets of animations.

Thanks for the answer but it's not what i meant.
In the beginning, when you install factorio for the first time, you get a prompt to login to your account. On both pc's I've logged in on my account. Now we want to change the account the game is logged into.

Me and my brother both bought the game. It is installed on two pc's but were both 'activated' (with the login screen at the start of the game, only one time) on my account because my brother only bought it a few days later. Now we want to play multiplayer but the last time it didn't work and we thou...