Energy Efficiency | Golden Age

Energy efficiency refers to the ratio between the useful energy output and the input of a machine or system. It is a crucial aspect of reducing energy consumption and mitigating climate change. The concept of energy efficiency is closely related to energy conservation and sustainable development. The Department of Energy has implemented various initiatives to promote energy efficiency, including the Energy Star program. Companies like Google and Microsoft are investing heavily in energy-efficient technologies, such as data centers and cloud computing.