Introduction -- LCA Studies on Marine Alternative Fuels -- Life Cycle Emissions of Fossil Fuels and Biofuels for Maritime Transportation -- Use of Alcohol-Diesel Fuel Blends in CI Engine: A Review -- Hydrogen Fueled Marine Engine's Adaptation for Near Future -- Investigation and Examination of LNG, Methanol, and Ammonia Usage on Marine Vessels -- Electrification and Hybridization of Ferries: State of the Art and Case Study -- SWOT Analysis of Carbon Capture, Storage and Transportation for Maritime Industry -- Green Port Concept -- Evaluation of the Environmental Contributions of the Green Port Concept -- Energy Efficiency and Management on Ships -- Alternative Approaches on the Decision of Market-based Measures.