This is actually exciting. Converting carbon free energy (such as solar and wind) into chemical energy is I think one of the more promising approaches. One of t

This is actually exciting. Converting carbon free energy (such as solar and wind) into chemical energy is I think one of the more promising approaches. One of the big challenges of solar and wind is matching instantaneous supply with instantaneous demand. By converting it to chemical energy, you can basically take the solar output that you get and use it. If you get more, you produce more, if you get less, you produce less. It is adaptable to the supply.