There is a mod that i found lately that i feel should also be, either in part/in full/or just in principal idea, part of the game. Pollution managament should be a thing in atleast some way, and forestation of the desert IS a thing IRL:
https://mods.factorio.com/mod/zen-garden

This mod actually ...

TL;DR
Elevated rails already in the game, why not pipes?

What?
Bring this mod in the base game:
https://mods.factorio.com/mod/elevated-pipes
Also, this will probably need elevated pump added, as a mod currently not very correctly handles that imo.

Why?
They is quite useful for building in ...

Make "Discharge defence" Fire continiously while holding RMB
It is so annoying to spam RMB like mad. Also i pity my mouse.

Very reasonable

Why just... not research quality?

They are simply essential, does not provide any unfair advantage, but, being mods, disable achievements...
Please?

https://mods.factorio.com/mod/even-dist ... rom=search
https://mods.factorio.com/mod/RateCalcu ... rom=search