The amount of Fuel created from Crude Oil and it's by-products can vary greatly depending on what recipe combinations you use. This video is about telling a story of how many machines need to be built and how much power will be created.
If you use trains to transport fluid then you are going to want to make sure the train can supply enough fluid to last the round trip. This video explains how to calculate this along with a working example.
Diluted Fuel is an alternate recipe that allows you to create more packaged fuel by combining Heavy Oil Residue with Packaged Water.
Unlocking the Extended Power Infrastructure milestone in the Hub unlocks the Fuel Generator and Fuel Power recipes in the refinery.
Unlocking the Oil Processing milestone gives access to the Oil Extractor and the Refinery. I'll explain how Refineries work and how they have dual inputs and outputs and how you need to manage them.