Now this looks very promising.
http://www.popularmechanics.com/science/green-tech/a23417/convert-co2-into-ethanol/
It would allow us to stop wasting corn or other foodstuffs by turning it into ethanol.
http://www.popularmechanics.com/science/green-tech/a23417/convert-co2-into-ethanol/
It would allow us to stop wasting corn or other foodstuffs by turning it into ethanol.