Spinster World War prevented many within a generation of women from experiencing romance and marriage, or having children. The image of the old spinster with a fading photo of her dead World War I soldier boyfriend on her fireplace mantel was common in films of the 1950s and 1960s. Likewise, in the American classic novel "Gone with the Wind" (1936) about the Civil War, numerous references are made to grieving fiancées, women who were "wanted, if not wed", and to the shortage of single, able-bodied (and thus "marriageable") men at war's end. In modern peacetime societies with wide opportunities for romance,
White certificates for an obligation. The third phase runs from April 2008 to December 2012 and is intended to deliver 185Mt lifetime savings by 2012. Connecticut, Pennsylvania, and Nevada have adopted Energy Efficiency Portfolio Standards that require regulated utilities to meet a certain percentage of their projected power needs through energy efficiency. Utilities must meet their obligations by either reducing their consumers’ energy usage, or by purchasing energy efficiency certificates (white certificates). More states are expected to follow in the near future. There is also a voluntary market where large corporations are purchasing energy efficiency certificates as a way of meeting their