From: the Netherlands
As long as they are connected to each other (railroad, no sea in between them) the game will handle that for you each time the industry location requests fuel.
In other words, it is automated..
As the Japanese just ofload your fuel and resources in convenient ports and all the industry locations will draw from those sources..
If you don't want a location to produce you can switch it off in the industry management screen.
"It happened, therefore it can happen again: this is the core of what we have to say. It can happen, and it can happen everywhere.”
¯ Primo Levi, writer, holocaust survivo