One hundred thousand giant ships sail the world’s oceans, transporting 80–90% of everything traded internationally. Most of those ships are propelled by engines that burn heavy fuel oil, the material left over from refining crude oil. This fuel’s combustion releases tons of particulates and accounts for about 3% of global greenhouse gas emissions . Large multinational organizations aim to cut emissions from shipping by 50% in the coming years, but the path to decarbonizing maritime transport is unclear. Experts are evaluating various methods to clean up ship emissions and are considering alternative fuels, including liquefied natural gas, hydrogen, ammonia, and methanol . All have pros and cons in terms of emissions, safety, feasibility, and cost. Look at all the stuff around you. Unless you’re in the middle of the desert or somewhere else far from civilization, nearly everything you see traveled to you by sea. “Ships bring 80–90% of most
Transporting goods by sea contributes significantly to global carbon emissions. Switching from traditional marine fuels to low-carbon alternatives could drastically shrink shipping’s climate impact
10.1021/cen-10008-cover-opener-gr1
Massive ships transport billions of metric tons of goods around the globe every year, emitting greenhouse gases as they sail. (Credit: MartinLueke/Shutterstock.com)
Green fuels for shipping
Chemical & Engineering News ; 100 , 8 ; 22-26
28.02.2022
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
Greenhouse gases , container ship , CO2 , heavy fuel oil , fossil fuels , marine fuel , shipping , fuel cell , hydrogen , NOx , SOx
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