Bloomberg: The U.K., enduring its worst winter since 1991, is planning to save energy and cut residential greenhouse-gas emissions to almost zero through a “sustainable makeover” on each of the country’s 27 million households. Utilities that operate in Britain such as Electricite de France SA and E.ON AG, other businesses and local government may fund installation of insulation and solar panels on U.K. homes, recovering the costs through utility bills, under proposals today from the Department …