4-1-1. Desalination for New Era Common desalination methods consume a huge amount of energy, including fossil fuels and electricity. In order to * Meet the future demand for water * Give hands to countries without enough fossil fuels, such as island countries * Preserve oil, coal, and other valuable energy resources * Tackle environmental problems, such as global warming Xenesys Inc. presents Ocean Thermal Energy Desalination System (OTED).