Yale Environment 360: Germany tops a new energy efficiency ranking of the worlds major economies, followed by Italy, China, France, and Japan, according to the American Council for an Energy-Efficient Economy (ACEEE). The United States ranked 13th out of 16 nations, behind countries such as India, China, and Canada, although new carbon pollution standards proposed this June for existing power plants would be a major stride in the right direction, the ACEEE said. The group also admonished Australia, which ranked 10th,...