Basically it works using the drills provided in game and the refineries also provided. Using the drills, the refineries, and an ore storage container you can mine large quantities of ore, then convert it into liquid fuel and oxidizer using the refinery. You will need an abundance of power for this, as well as an adequate number of radiators to keep the drills running efficiently, it's been a while since I've played, so a more in-depth guide may better suit you.
How does fuel mining work?
Basically it works using the drills provided in game and the refineries also provided. Using the drills, the refineries, and an ore storage container you can mine large quantities of ore, then convert it into liquid fuel and oxidizer using the refinery. You will need an abundance of power for this, as well as an adequate number of radiators to keep the drills running efficiently, it's been a while since I've played, so a more in-depth guide may better suit you.