Similar to other industries. the maritime industry is also facing increasing restrictions on ships regarding pollution control. The research presented in this paper is aimed at studying the pros and cons of alternative fuels followed by a detailed analysis on hydrogen fuel cells (PEMFC) for a particular ship operating in Lisbon. Portugal. https://safeersappliancers.shop/product-category/hoover-h-wash-300-hbd-485d2e-integrated-8-kg-washer-dryer-white/