It was well known that the achievement was un-achieved in the game (but still shown on Steam) as the result of the requirements getting tweaked. I discovered today that when I went to an older save that was close to launching a rocket in the base game, I went ahead and did it, so I wouldn't have to ...

- You need to ship in a resource which is usually abundant and is needed in huge amounts - check. "But you don't have to" - yeah, trains will be burning what then?


As far as I got, you can get heavy oil, which you can use to fuel trains?


You also have a 7% chance to get solid fuel from ...