Space Engineers - Refueling Arm Using Small Grid Advanced Rotor (ArmOS)
Here is an example of a simple refueling arm using the ArmOS script and the recently added small grid advanced rotor to refuel and recharge compact H2 powered rovers/ships without needing a bulky connector or O2/H2 generator on the grid.
This is the garage at the start of the Frostbite scenario, heavily modified. Only block mods used are for growing/making food, as I'm also running the Eat. Drink. Sleep. Repeat! mod to make the survival even more hardcore in this bleak, harsh environment.