The drills are connected to a Kethane tank. Moving the Kethane has no effect. Here are a couple of shots to give you an idea of the layout of the Kethane tanks: You can see the drills better here: And finally the fuel line routing here: The liquid fuel/oxidizer transfer works fine. I tried these troubleshooting steps: - Moved Kethane to different tanks - Turned off all Kethane tanks except for one (switched around which one was still on) while the drills were running - Stop and start the drills - Pulled up the drills, ran the thrusters, and ran the converter to drain all the Kethane, then restarted the drill. Now my craft has 0 Kethane, and appears to be hitting Kethane (more green dust), but no Kethane is flowing. I think the Kethane stopped flowing during warp, and I think the lander's power ran down during that time during the Munar night. Of course it recharged after the sunrise, but I wonder if the drills somehow still think I'm out of power or something. Is there some config setting in my savegame file I should look at?