SCIENCE - Breakthrough could lead to cheaper, more sustainable chemical production

A new advance could enable the production of an important commodity chemical using carbon dioxide as a carbon source instead of petroleum. Carbon dioxide is basically free, and something the planet currently has in excess. Activating carbon dioxide for the production of commodity chemicals could be a way make them more cheaply and sustainably.

http://www.sciencedaily.com/releases/2013/03/130321151935.ht