An energy audit or assessment will illustrate where building improvements can save energy and water consumption, reduce greenhouse gases and save money through more efficient energy use. (aet98.com)
The computerized lighting control system employs switches, motion sensors, and timers for efficient energy use. (stollerfamilyestate.com)
Nevertheless, limited fossil energy resources and the climatic relevance of its use require efficient energy use, even in agriculture. (fao.org)