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This book describes the feasibility and status of the use of alternative fuels in marine engineering, as well as the application of liquefied natural gas, biodiesel and their blends as marine fuels, and the combustion of synthetic coal-based fuels.

Each chapter in the book ends with a summary, which gives the reader a quick and clear understanding of the main contents of the chapter. The book gives a lot of advice on the selection of equipment and parameters, fuel reserves and preparation for scholars related to alternative fuels in ships, and points them in the way. It contains lots of illustrations and tables and explains it in the form of chart comparison. The authors have developed mathematical models and methods for calculating the parameters of fuel systems for biodiesel fuels and liquefied natural gas. Recommendations for choosing the rational parameters of these systems are given, as are schematic solutions of the fuel systems, recommendations for selecting equipment, storing, and preparing the fuels. Application of the materials described in the book provides the SPP designers with a reliable tool for choosing rational characteristics of the fuel systems operating on alternative fuels and improving the efficiency of their application on ships.

### Chapter 1. Substantiation of Alternative Fuels Utilization

Abstract
Air pollution caused by the pollution emissions from ships is a serious environmental problem, especially in the areas of equatorial waters and inland waterways. Currently more than 96% of vessels are equipped with diesel ship power plants as the propulsion engines, so the constituents formed in the process of fuel oils burning can contaminate the environment.
Xinglin Yang, Zongming Yang, Huabing Wen, Viktor Gorbov, Vira Mitienkova, Serhiy Serbin

### Chapter 2. Modern State of Using Alternative Fuels in Marine Engineering

Abstract
Increase in the SPP fuel systems efficiency depends on many factors.
Xinglin Yang, Zongming Yang, Huabing Wen, Viktor Gorbov, Vira Mitienkova, Serhiy Serbin

### Chapter 3. Liquefied Natural Gas as Marine Fuel

Abstract
Liquefied natural gas as fuel is used on ships and heavy vehicles, as well as stationary heat supply facilities.
Xinglin Yang, Zongming Yang, Huabing Wen, Viktor Gorbov, Vira Mitienkova, Serhiy Serbin

### Chapter 4. Biodiesel and Its Blends as Marine Fuels

Abstract
The main feature of the biodiesel (BD) fuel systems in comparison to other alternative fuels is the fact that their configuration and equipment are the same as for diesel fuel. If the system operating on water-fuel emulsion is to be equipped with additional devices for preparation of persistent emulsions, and the layout and composition of the equipment for LNG are fundamentally different from the petroleum fuel ones, then biodiesel can be used in standard systems designed for diesel fuel, as the physicochemical properties of these fuels are quite close.
Xinglin Yang, Zongming Yang, Huabing Wen, Viktor Gorbov, Vira Mitienkova, Serhiy Serbin

### Chapter 5. Synthetic Coal-Based Fuels and Their Combustion

Abstract
Coal as a feedstock for power generation becomes more and more attractive in case of its preliminary conversion into a gaseous fuel named synthesis gas (SG). Plasma assisted coal gasification appears to be the best solution for portable and small to medium-scale processing facilities [17].
Xinglin Yang, Zongming Yang, Huabing Wen, Viktor Gorbov, Vira Mitienkova, Serhiy Serbin