Related Clues:

• Black gold
• Engine lubricant
• Driller's quest
• Neon or freon
• Anointing substance
• See 15-Down
• Slick makeup
• Word with can or pan
• Electric's partner
• Laughing, for one
• Cooking fat
• Mustangs go nowhere without it
• It's often stepped on
• If you're in a hurry, step on this
• It floats on water