Case C-271/20: Judgment of the Court (Fifth Chamber) of 25 November 2021 (request for a preliminary ruling from the Verwaltungsgericht Berlin — Germany) — Aurubis AG v Bundesrepublik Deutschland (Reference for a preliminary ruling — Scheme for greenhouse gas emission allowance trading — Free allocation of allowances — Decision 2011/278/EU — Article 3(d) — Fuel benchmark sub-installation — Concepts of ‘combustion’ and ‘fuel’ — Primary copper production by flash smelting — Request for allocation — Allowances requested and not yet allocated on the date of expiry of a trading period — Possibility of issuing such allowances during the subsequent trading period by way of enforcement of a judicial decision given after that date)