This is a page for all the recent research (published and working papers). Feel free to go through them and leave comments here.
Energy efficiency improvement lies in the basics. Improving the efficiency of household consumption, and letting it improve on its own, in the long-term. This is captured in the following paper:
Another paper in the same area, but focusing on energy efficiency from a different perspective: new insights into what has been happening till date in the US economy, and the need to understand some more classic, fundamental variables to improve energy efficiency. This is the paper:
Linking energy efficiency to economic productivity: recommendations for improving the robustness of the U.S. economy