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Energy efficiency policies can be defined as the policies that are formulated to improve energy efficiency (E.F.). Many advantages can be achieved by applying E.F. policies. For example, reducing domestic and commercial energy bills, mitigating climate change and air pollution impacts, motivating industrial competitiveness, and improving national energy security.

History
As a result of energy crises in 1970's, many countries embark energy efficiency policies. Developing these policies was an applicable response to increasing oil prices, growing energy demand, and environment issues. Many market obstacles have been overcame by energy efficiency policies, and a part of energy efficiency gaps have been completely blocked in numerous countries.