What is the feasibility of using hydrogen energy instead of fossil fuel to meet the rising global demands? What is the potential of biohydrogen as a source of energy?

CAN HYDROGEN BE THE SOLUTION TO THE WORLDS GROWING ENERGY DEMAND?

What is the feasibility of using hydrogen energy instead of fossil fuel to meet the rising global demands?
• What is the potential of biohydrogen as a source of energy?
• What is the near future perspective of hydrogen energy?
• Is hydrogen fuel cell technology viable economically?