Related Clues:

• Careful combing
• Half, to start with
• Google function
• Energy source in old engines
• Gas station option
• Try to find something
• Cook, as asparagus
• Powerful car engine
• Liquid fuel
• Button on an iron
• 15 Across output
• Fuel oil
• Inventor of an eponymous engine
• Boiling sign
• Cook, as dumplings