As shipping grapples with its greenhouse gas emissions, the industry is showing growing interest in onboard carbon capture as a way to continue using fossil fuels amid the wait for zero-emission alternatives.

The development of the technology is still in its infancy at sea but more mature on land and with several maritime alternatives under development.

When TradeWinds asked at the start of the year how more than two dozen industry stakeholders would spend a fantasy sustainable shipping worth $1bn, onboard carbon capture was among the proposed investments.