Related Clues:

• Transportation mode
• Fuel type
• Melodic tune
• One may get some at 31-Across
• Type of station
• Tire filler
• Krypton, for one
• Motoring must
• Bring out in the open
• Range fuel
• Rifle type
• Natural gas, for one
• Word with mail or port
• Put on TV
• Service station freebie, sometimes