Related Clues:

• European gas brand
• It was associated with Humble Oil
• Gas station of yore
• Cities Service competitor
• BP competitor
• Its slogan was once 'The sign of extra service'
• Standard Oil, formerly
• Getty competitor, once
• Station along Route 66
• Calgary's ___ Plaza
• Old station name
• Old gas name
• Station name in England
• 1-Across competitor
• Old station sign