Related Clues:

• Standard product, once
• Lucky strike?
• "Fill 'er up!" fill
• It eases friction
• Squeak remover
• Malibu requirement
• Great time, slangily
• It fills in between E and F
• Argon, e.g.
• Ozone, e.g.
• Pipeline product
• Much-discussed commodity
• ___ change
• You might get some to go
• Big Nigerian export