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3. Act on Temporary Measures to Promote Business Activities for the Rational use of Energy and the Utilisation of Recycled Resources [エネルギー等の使用の合理化及び再生資源の利用に関する事業活動の促進に関する臨時措置法, enerugī-tō no shiyō no gōri-ka oyobi saisei shigen no riyō ni kansuru jigyō katsudō no sokushin ni kansuru rinji sochi-hō]. (1993). Act No. 18, 3.3.1993.
4. Agency for Natural Resources and Energy. (2021). Outline of Strategic Energy Plan. https://www.enecho.meti.go.jp/en/category/others/basic_plan/pdf/6th_outline.pdf. Accessed 27 Nov 2021.
5. Arima, J. (2000, April 11–13). Top runner program. In Workshop on best practices in policies and measures (p. 13). https://unfccc.int/sites/default/files/jpnja.pdf. Accessed 1 Nov 2021.