Two persons have been arrested as the police investigate a major fuel racket that has resulted in more than $100 million being defrauded from petroleum dealer, Cool Oasis. A gas station operator in St. Ann was taken into custody by MOCA on Monday. He was questioned last night in the presence of his attorney. The businessman is expected to be charged this week. A female employee of Cool Oasis was also taken into custody last night and is scheduled to be questioned today.