Hydrogen: Tomorrow's energy source 109-128 A. Demirbas

Energy Education Science and Tevhnology Part C: Future Energy Sources

2014 Volum (issues) 6(3&4): 109-128







Hydrogen: Tomorrow's energy source


Ayhan Demirbas*


King Abdulaziz University, College of Engineering, Department of Industrial Engineering,

P.O. Box 80204, Jeddah 21589, Saudi Arabia





Received: 12 February 2014; accepted: 15 May 2014



     Hydrogen is clean and a high energy content of fuel. Hydrogen is a peaceful energy carrier for all countries. Biohydrogen as clean, domestic and renewable energy is commonly accepted as the key for future life for the world. There has been growing interest in hydrogen in the past few decades. The widespread use of hydrogen as a result, developed, developing and undeveloped countries will be reduced gradually between the differences in the level. Raw material resources of fossil fuels geographically did not distribute homogenously in the world. However, the most important source of hydrogen is water that is almost not dependent on geography. This advantage in the development of the hydrogen economy is the most driving force. The increase in the consumer sectors that energy provides is necessary for both economic and social development in the developing countries. Reduce the cost of hydrogen production requires large investments are not assumed. In this regard, investment in poorer countries can also offer for practical hydrogen production. Policy-makers will need to pay more attention to the implications for the transition to hydrogen economy. The hydrogen economy is a vision for a future in which hydrogen replaces fossil fuels. A major dilemma now faced by the developing countries is how to invest in hydrogen research and development for the transition to hydrogen economy. Hydrogen can be generated from carbon-neutral biomasses or carbon-free energy sources such as electric, solar and wind energy. In this way, the use of hydrogen could eventually eliminate harmful gas emissions from the energy sector. Vehicles and stationary power generation fuelled by hydrogen are zero emission devices at the point of use, with consequential local air quality benefits. Hydrogen-powered fuel cells could contribute to reducing or eliminating emissions of carbon dioxide and other greenhouse gases from road transportation vehicles. Emissions of NOx increase with the temperature combustion temperature, the length of the high temperature combustion.


Keywords: Hydrogen; Hydrogen Policy; Hydrogen economy; Environmental impact; Engine fuel;  Future fuel