I'm also seeing this issue in 0.17.26 where pollution is not dissipating, In the game i have screenshots of I am running mods however I started a new game with no mods and pollution again did not spread. I also noticed that the polluting machines are in the consumers section of the menu and not prod...

I rely on logistic robots for transport quite a lot, I'd like to be able to, for example, set a logistic frequency (and possibly construction robots as well) so that 2 or more different logistic networks could overlap and operate independently (chests would also be able to be tuned). This could make...