Makes resources more sparse than base game. You will need to use trains much earlier to get resources. Game will be more difficult especially with higher enemy settings.
Tweaks
Mod category: Tweaks
Small changes concerning balance, gameplay, or graphics.
I'd rather wait for that mod to be a bit more mature - it seems pretty new with a list of things still planned. And 0.17 is close so next RSO updates will be after it releases.