“…Although, in light of Kyoto Protocol obligations, environmental policies play an important role in developing tax treatment, tax incentives aiming to influence companies to perform well with respect to protection of the environment may also distort competition or even constitute protectionist policies, favouring national over imported goods. 35 The environmental protection justification of tax incentives may not be sufficient to allow such policies to discriminate between various electricity generators, whether between national operators or operators competing across borders.…”