DFDS' environmental and sustainability director Poul Woodall stunned delegates at the Green Maritime Environment Congress at SMM in Hamburg by saying: "There will be no enforcement."

When pressed on this claim by panel chairman Matt Frei, the UK broadcaster, the DFDS man said: "No one has allocated any funds.

"Port state control inspectors check one in 1,000 vessel calls and not even all of those are checked for fuel compliance."

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