Case T-498/14: Judgment of the General Court of 12 December 2018 — Deutsche Umwelthilfe v Commission (Access to documents — Documents related to correspondence between the European Commission and car manufacturers concerning refrigerant R1234yf used in motor vehicles — Documents not included — New plea put forward in the course of the proceedings — Inadmissibility — Measure of inquiry ordering the production of the contested documents in accordance with Article 104 of the Rules of Procedure — Derogation to the principle of adversarial proceedings — Regulation (EC) No 1049/2001 — Exception relating to the protection of commercial interests — Public interest in disclosure — Balance — Regulation (EC) No 1367/2006 — Article 6(1) — Overriding public interest justifying disclosure of the environmental information or relating to emissions into the environment — General proposition — Partial refusal to grant access — No need to adjudicate)