english: The price difference is to be recovered under the clean development mechanism (CDM) of Kyoto Protocol of the UN Framework Convention on Climate Change (UNFCCC).
non_english: Asma rèsmi pèrsetujuan punika ya iku Kyoto Protocol to the United Nations Framework Convention on Climate Change (Protokol Kyoto mengenai Konvensi Rangka Kerja PBB babagan Perubahan Iklim).