Versions of See prior versions of a law on LawServer 2024 Massachusetts General Laws ch. 21N sec. 6 – Establishment of emissions reduction programs; promulgation of regulations; protection of low and moderate-income persons and environmental justice populations 2023 Massachusetts General Laws ch. 21N sec. 6 – Establishment of emissions reduction programs; promulgation of regulations; protection of low and moderate-income persons and environmental justice populations 2022 Massachusetts General Laws ch. 21N sec. 6 – Promulgation of regulations that reduce energy use, increase efficiency and encourage renewable sources of energy 2020 Massachusetts General Laws ch. 21N sec. 6 – Promulgation of regulations that reduce energy use, increase efficiency and encourage renewable sources of energy 2019 Massachusetts General Laws ch. 21N sec. 6 – Promulgation of regulations that reduce energy use, increase efficiency and encourage renewable sources of energy 2017 Massachusetts General Laws ch. 21N sec. 6 – Promulgation of regulations that reduce energy use, increase efficiency and encourage renewable sources of energy 2016 Massachusetts General Laws ch. 21N sec. 6 – Promulgation of regulations that reduce energy use, increase efficiency and encourage renewable sources of energy 2015 Massachusetts General Laws ch. 21N sec. 6 – Promulgation of regulations that reduce energy use, increase efficiency and encourage renewable sources of energy 2014 Massachusetts General Laws ch. 21N sec. 6 – Promulgation of regulations that reduce energy use, increase efficiency and encourage renewable sources of energy 2013 Massachusetts General Laws ch. 21N sec. 6 – Promulgation of regulations that reduce energy use, increase efficiency and encourage renewable sources of energy