Related Clues:

• Hot issue?
• Crude
• It may be struck
• Heating fuel
• Olive ___
• See 50-Across
• Salad dressing ingredient
• Hot stuff
• Cooking staple
• Procter & Gamble soap
• Deep-frying need
• Lubricate
• Tanker's cargo
• Volcano output
• Van Gogh's 'Irises,' e.g.