CNBC | RPT-ANALYSIS-How the world's oil refiners plan to grapple with their fuel oil output after 2020 CNBC SINGAPORE/TOKYO/LONDON, Sept 28 (Reuters) - High-sulphur fuel oil (HSFO), essentially the leftovers of an oil refiner's output, will still flow from refineries around the world even after new rules start up in 2020 curtailing its use in the global ... |