Asia’s spot cash premiums and refining margins for 0.5% very low sulphur fuel oil (VLSFO) ended at a month’s low on Friday, weighed by persistent supply inflows and tepid bunkering demand. The spot 0.5% VLSFO cash differential (MFO05-SIN-DIF) edged lower to a premium of $11.70 a tonne. The front-month crack (LFO05SGDUBCMc1) was at a premium …