Petrowski LLC, a retail compressed natural gas (CNG) fueling service provider, announced that Joseph Petrowski has joined the company's board of advisors. 

Petrowski is currently chairman of Gulf Oil LP, a leading distributor of gasoline and diesel to more than 2,300 branded outlets as well as 1,000 private-label outlets operated by major chain retailers.

He was previously CEO of Cumberland Farms Gulf Oil Group, president of Consolidated Natural Gas, and president of Louis Dreyfus Energy North America. He is also a board member of publicly traded natural gas utility South Jersey Industries and the Society of Independent Gasoline Marketers of America (SIGMA).