Pakistan’s Pak-Arab Refinery Ltd (Parco) has offered fuel oil for July loading in its latest tender, underlining an ongoing shift in market dynamics as the South Asian country turned to exporting instead of importing fuel oil this summer. The refinery is offering 50,000 tonnes of high-sulphur fuel oil (HSFO) with maximum 3.5 per cent sulphur content, for loading at Karachi port between July 15