Advanced oil's obvious benefit is its more favorable ratios (10:45:55) and 10 units extra output product, but it's interesting that it's not strictly superior to basic oil because it produces less heavy oil. The ratios are “more favorable” because 90% of the final/intermediate products can be made ...

I don't think much of the oil changes. It's been tens of play-hours ago that I learned how to do the oil processing in the campaign level, so I can't really remember what I found most difficult, or what stumbling blocks I fell over. Oil is interesting, and different, in that it's piped, and you get ...

I'm fairly new to Factorio, and I think the change to efficiency would be a big loss if I'm reading it right, since it would lose the reference to thermodynamic efficiency of real machines like steam engines. I wanted to emit less pollution, so I got blue science before military science, with the in...