Related Clues:

• Big Alaska resource
• Car engine necessity
• Grease caused some soiling
• "Black gold"
• Subject of a 1973 crisis
• Fish __
• Thing to check on a car
• Cause of some skin problems
• __ well
• Makeup of a slick
• Classic pre-dinner bread dip
• Emulsion component, often
• Venezuela export
• Liquid for frying
• Liquid in a drum