64In that regard, according to settled case-law of the Court, national measures that are capable of hindering intra-EU trade may inter alia be justified by overriding requirements relating to protection of the environment. The use of renewable energy sources for the production of electricity, which legislation such as that at issue in the main proceedings seeks to promote, is useful for the protection of the environment inasmuch as it contributes to the reduction in greenhouse gas emissions, which are amongst the main causes of climate change that the European Union and its Member States have pledged to combat (see, to that effect, judgment of 13 March 2001, PreussenElektra, C‑379/98, EU:C:2001:160, paragraph 73; of 1 July 2014, Ålands Vindkraft, C‑573/12, EU:C:2014:2037, paragraphs 77, 78 and 82; and of 22 June 2017, E.ON Biofor Sverige, C‑549/15, EU:C:2017:490, paragraphs 85 to 88).
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