Fierce criticism has been heaped on the International Maritime Organization-approved Annual Efficiency Ratio (AER), the key measure to define how ships fare when the Carbon Efficiency Indicator (CII) starts in just over a year.
Ships will have energy ratings from A to E, not dissimilar to household appliances, come January 1 2023.The CII is an operational requirement applicable to ships above 5,000 gt and measures the operational carbon intensity of a vessel. This translates to the carbon em...