Possible Clues:

• Stop at the pump
• How an eel might get fur if you topped up its tank
• Get ready to go on
• Get more gas
• Stoke up again
• Do a pit stop chore
• There'll be more firing if you do this
• Fill up, in a way
• Gas up for the next leg, e.g
• Tactless leaf-cutter comes to feed again to replenish energy.