China has developed one of the most comprehensive and effective sets of energy efficiency policies and programs in the world. This has been an arduous task over decades, involving the government, businesses, and civil society. Although success has abounded in many areas, China's programs are not...

Cities are among the world's largest consumersof electric energy, accountable for two-thirdsof total electricity consumption and for over 70 percent of global greenhouse gases emissions. Publicstreet lighting systems contribute significantly toa city's energy consumption. In Brazil, the cost of...