Measures to clean up shipping agreed by the International Maritime Organization are not a panacea for all shipping's carbon ills.

That is the message from Bjarne Foldager, head of two-stroke business at MAN Energy Solutions, who was speaking on a TradeWinds webinar about future fuels.

There has been a mixed reaction to the IMO's proposals, including the introduction of the Energy Efficiency Existing Ship Index (EEXI) from 2023 that requires existing ships to match the fuel efficiency of newbuildings.