The efficiency modules reducing pollution is true I never noticed that, because I dont use them at all :D My problem is that I normally want to put production and speed modules in the machines/beacons because I have the feeling that this is much reasonable due to needing less ressources and making m...

Dear Factorio users, first of all i really like the mechanic of pollution in the game and how it proovokes alien attacks. But especially in the later stages of them game the radius of the pollution is huge, as well as the possible direction these attacks can come from. Since they are attracted by po...