How do you get the fuel rod to work?

Answer 1

YOU HIT THE RIGHT TRIGGER WHEN IT IS EQUIPPED

You also want to aim up a little at far distances because the fuel rods drop after a while.

Answer 2

you put the fuel rod in the spaceship and it should start working- first you need to get manure then you put it in the machine in the mill then use it to hover over the mud to the spaceship