Citgo
The Citgo gasoline brand is owned by Petroleos de Venezuela which acquired the trademarks of Cities Service Company. A number of 7-Eleven stores in the USA are licensed to sell motor fuel and lubricants under the Citgo brand. Its famous logo can be found be at Fenway Park in Boston, Massachusetts.
Citgo was once one of the sponsors of the Jeff Burton racing team and NASCAR but it has discontinued its sponsorship.
See also: Brands of gasoline, Gas station, 7-Eleven, Convenience store