Related Clues:
- "Happy motoring" sloganeer
- 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.
- 7-Eleven partner
- Exxon precursor
- Flying A rival
- ''Happy motoring!'' was its slogan