Case C-279/08 P: Judgment of the Court (Third Chamber) of 8 September 2011 — European Commission v Kingdom of the Netherlands, Federal Republic of Germany (Appeal — State aid — Article 87(1) EC — Emission trading scheme for nitrogen oxides — Classification of the national measure as State aid — Decision declaring aid to be compatible with the common market — Concept of selectivity — Advantage financed through State resources — Protection of the environment — Obligation to state the reasons for decision — Admissibility)