Cool. So it looks like fuel cubes can be usefull for supplying far off stations and as a very dense energy buffer.
I will try adding a few speed mods to my pupjacks to see if that helps reduse my oil problems.

you wonder why your oil belt is not working and find out that it is because you put the inserters backwards.

I got the game a few weeks ago and have played a bit, but for the life of me I cant find a good use for the fuel cubes. While they do have a much higher energy density than coal, it seems like the oil could be used for something much more useful, like plastic. While I could see how a train with 150 ...