The Hi-5 fuel oil spread, which is the premium of very-low sulphur fuel oil (VLSFO) over high-sulphur fuel oil (HSFO), narrowed by nearly 10% from last week, data showed on Friday. The August Hi-5 spread crunched to $85.25 a metric ton at the Asia close (0830 GMT) on Friday, Refinitiv data showed. The VLSFO market …