Related Clues:

• Bowed, in music
• "Happy Motoring" company of yore
• It's pumped in Canada
• Standard Oil name
• Gas brand of yore
• Exxon's former name
• Rival of Sinclair and Sunoco
• Petrol provider
• Classic brand with an oval logo
• Old oil co.
• Exxon precursor
• Flying A rival
• ''Happy motoring!'' was its slogan
• Canadian station name
• Gas company known for its tiger slogan