It is “pre-COVID ” April of 2018, and 174 member states of IMO adopt a new strategy to reduce greenhouse gases from shipping. The meetings are considered “urgent” and the target is to reduce carbon emissions in half by 2050. Prior to those “targets” shipping dealt with regulations to address SOx and NOx reductions. Most of which have resulted in limited success due to infrastructure problems and a consideration as a temporary fix.
The technical world has responded with low sulfur fuels, LNG, and methanol to work towards the target. Not a surprise as shipping has been addicted to fossil fuels and large combustion engines for over 100 years. Many of the new fuel changes have affected maintenance and new building costs, the Owners bottom line and in turn global commerce. Beyond those issues many owners will find that their new construction EEDI calculation have been compromised by new regulations