key Hydrogen is easily the most widely accessible element in the world. It can be easily produced as well as the byproduct of using H2 as a fuel is water. When H2 is burned, it burns clean and doesn't create additional pollution. However, the ability to use H2 as an source of energy is determined by the ability of storing it safely. Hydrogen, while plentiful, is not an easy element to manipulate. The most stable state of hydrogen is at normal atmospheric conditions; however, it ought to be stored in manageable containers for H2 for use as a fuel source.