Incentives are needed to aid the transition to shipping fuelled by hydrogen and ammonia, according to the UK's Climate Change Committee (CCC).
But cost savings generated by the switch to cleaner marine fuels will be dwarfed by added investment costs, according to the estimates by the government-created body in its sixth carbon budget.
UK shipping can reduce its greenhouse gas emissions to almost zero by the late 2040s if "almost all" the UK...
