A common belief among shipping professionals is that zero-carbon fuels are required to significantly reduce greenhouse gas emissions from maritime transport for the long run.

Garry Noonan is Ardmore Shipping’s head of transition technologies. Photo: Ardmore Shipping

With such fuels expected to take years or even decades to develop, some experts believe shipowners should adopt existing technologies to kick-start decarbonisation efforts, rather than wait for the new energy sources.

“Sometimes we can get hung up on zero-carbon fuels,” said Garry Noonan, head of transition technologies at product tanker owner Ardmore Shipping.