Brokers and shipyards are fielding more and more enquiries about potential CO2 carrier orders, according to Clarksons.

But the UK shipbroker said many of these do not constitute firm interest.

Carbon capture and storage (CCS) is growing in importance for decarbonisation efforts.

The broker said data is partly incomplete and occasionally inconsistent.

But estimates indicate the world is producing emissions of more than 35bn tonnes of CO₂ each year, while storing only around 0.1%