Related Clues:

• Crude resource
• Mideast export
• Car fluid
• Export of Indonesia and Venezuela
• Burner fuel
• Explorer's need
• Refinery input
• With 40-Down, H+, e.g.
• Standard product?
• Fun time
• Motor need
• With 39-Across, Houston or Tulsa, popularly
• Production from a well
• Spindle-top spillage
• Friction decreaser