In at least three sentences, describe why transitioning to a hydrogen economy has advantages. in at least three sentences, explain three disadvantages associated with hydrogen fuel use. why is a high use of renewable energy necessary to make hydrogen fuel an environmentally sound alternative? respond in one complete paragraph.

Hydrogen supply s abundant and its a cleaner i.e. renewable form of energy.
This is also non-toxic. The efficiency of this energy is also higher.
Disadvantages are that it is an expensive source of energy. Because of the low density of Hydrogen gas, its storage is difficult. The transportation of Hydrogen gas is also difficult due to its low density.