The Best Way for Americans to Reduce Their Energy Use – WSJ.com
The Best Way for Americans to Reduce Their #Energy Use: Quantify It. Is Your House a Prius, a Malibu or a Hummer?
http://online.wsj.com/news/articles/SB10001424052702304644104579194033304041984
Metrics seem to be key. Insulation is mentioned… but not that much!