Related Clues:

• It means ''half''
• Unseen power
• Motor fuel
• Half prefix
• Prepare, as dumplings
• Auto engine nickname based on its shape, briefly
• Type of internal-combustion engine
• Rig fuel
• Be plenty mad
• Cook clams
• Sphere lead-in
• Petroleum derivative
• Watt's power source
• Fuel for Fulton
• Prefix with -trope