Related Clues:

• Radon, for one
• Bad thing to guzzle
• Shell offering
• "Fill 'er up!" filler
• It's burned on the road
• Exxon offering
• Riotous time
• *Pump output
• Auto-tank filler
• Island purchase
• Nonliquid state
• Pump contents
• Butt's Corner _____
• Motorist's need
• Home heater