Global shipbroker Clarksons estimates that some 5,775 ships have some form of energy saving technologies, a class of emissions-reducing kit that include fuel cutting propeller ducts and rudder bulbs.
About the Green Seas First Movers report
This story is part of a TradeWinds Business Focus exploring shipping companies that are early adopters across a range of green shipping technologies and fuels.
That is just 5.5% of total vessels on the water.
Even when it comes to newbuldings, just 20.3%