Crude oil, natural gas, and coal are the main sources of energy supply in our daily lives, particularly in transportation. As the world's energy demand is increasing significantly, environmental friendly energy sources, such as solar and wind energy, are essential and hydrogen is the best energy carrier for these kinds of energy sources. However, hydrogen must be stored in the required methods and materials which have been specified by the US Department of Energy and magnesium is one of the most promising candidates for hydrogen storage. The object of this book is enhancement of the hydrogen...