The discovery of chemical reactions that could turn CO2 into a useful fuel is a huge development. The resulting ethanol could be used to power generators and vehicles. The discovery was unexpected and uses a new combination of copper and carbon arranged into nanospikes on a silicon surface. Even better, this can be done at room temperature.
So once again, why has this not generated more attention? It would seem precisely the type of technological effort that will have to be part of a comprehensive approach to climate change. This obviously will not be a golden bullet and is in the early stages of research. However, it is a promising development in what will have to be a myriad of approaches in the area.
Source: Popular Mechanics