Merlin the Owl can retrieve it for you. As explained in the lab chart, he will do your bidding...after you feed the mouse to him. Click on Merlin and then click on the fuel rod.
When you feed the robot mouse to Merlin the owl, he follows you. If you click on him, then a location, he will go there. This is useful when the fuel rod is out of your reach in the dungeon.
After you get the fuel rod in the dungeon, go to the spaceship in the swamp. When you reach the ship, the rod will be in the bottom left corner. Click it and drag it to the broken one. To reach the crashed saucer Excalibur in the mud swamp, get the hovercraft from the attic of the mill. (see related question)
Merlin the Owl can retrieve it for you. As explained in a lab chart, he will do your bidding...after you feed the mouse to him. Click on Merlin and then click on the fuel rod.
The fuel rod replaces the damaged one on the saucer Excalibur, which is crashed in the mud swamp to the right of the Mill. Get the hovercraft from the mill attic to reach it. (see related questions)
You don't refill it. There is a replacement fuel rod in the captured robot invader in the castle dungeon, and you can reach him through Mordred's underground lab. (see related question)
The new rod that is not broken will be at the bottom. Click and drag the new fuel rod on top of the of fuel rod.
Elite spec ops, I believe. They usually have Energy Sword or the Fuel Rod.
Put a gob of wheel bearing grease on the push rod before you install it. It will stay up by itself long enough to get the new pump in.
There is not enough green fuel in the fuel rod to reach the planets, so you will have to go to the Pewter Moon (X-56 Y-52) and build a new spaceship there. (see related question)
The UFO has a broken fuel rod. Go to the dungeon and click on the robot. It will explode, leaving a new fuel rod. Click on Merlin and he will fetch the fuel rod for you.
Because you need to click on the owl then click the green fuel rod...
you go to Mordred's house after you have the owl you push against the rock thing it will brake the robot explodes ask the owl to grab the fuel rod it will bring it to you that's how you get the fuel rod