This publication is prepared in the framework of the United Nations Development Account project Promoting Energy Efficiency Investments for Climate Change Mitigation and Sustainable Development , which is implemented jointly by ll five UN Regional Commissions. It presents a structured framework of policies and measures to promote energy efficiency investments for climate change mitigation and sustainable development, also to develop a menu of energy efficiency policies and measures. Governments, business community, experts, project developers, and other stakeholders will find this publication to be a useful companion for understanding and applying the best policy practices in improving energy efficiency.