FILED - 02 January 2025, Mecklenburg-Vorpommern, Wismar: A dark cloud of smoke rises from the chimney of a cargo ship as it enters the harbor. Using green methanol to power shipping could cut CO2 emissions in the sector by as much as 96\%, according to a study by the German Aerospace Centre (DLR) commissioned by environmental organization Greenpeace. Photo: Jens Büttner/dpa
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