Court of Justice 18 April 2012, C‑490/10 (European Parliament v Council of the European Union.)

OPINION OF ADVOCATE GENERAL MENGOZZI delivered on 18 April 2012 ( 1 ) Case C-490/10 European Parliament v Council of the European Union ‛Action for annulment — Choice of the dual legal basis of Article 337 TFEU and Article 187 TEAEC — Measures falling within the energy responsibilities of the European Union which are specifically governed by Article 194 TFEU and require a single legal basis