Related Clues:

• It's illegal to pump yourself in Oregon
• Car additive
• Lemon juice?
• Any inert element
• Argon or ethane
• Word after Corner
• You can cook with it
• Nitrogen, e.g.
• Fuel for some ranges
• Service-station buy
• What you might get with a bean burrito
• Convenience store buy
• Empty words
• Driving demand
• "Fill 'er up" filler