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⁵⁰ Angus Johnston et al., The Proposed New EU Renewables Directive: Interpretation, Problems and Prospects, 17 Euro. Energy & Envir. L. Rev. 126, 136 (2008); Angus Johnston & Guy Block, EU Energy Law 348 (2012).Google Scholar

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⁵⁵ Id., para. 37.Google Scholar

⁵⁶ Id., para. 38.Google Scholar

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⁶⁰ It is not compulsory to issue these guarantees of origin for heating and cooling produced from renewable sources. Those forms of energy are, however, not frequently subject to international trade due to difficulties of transfer.Google Scholar

⁶¹ RED, supra note 5, recital 52.Google Scholar

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⁷¹ Already hinting toward this, see Steinbach & Brückmann, supra note 20, at 14.Google Scholar

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