Case C-390/06: Judgment of the Court (Grand Chamber) of 15 April 2008 (reference for a preliminary ruling from the Tribunale ordinario di Roma) — Nuova Agricast Srl v Ministero delle Attività Produttive (State aid — Aid scheme authorised for a specific period — Notification of the amended aid scheme for a new period — Transitional measures between the two schemes — Decision of the Commission not to raise objections — Information available to the Commission — Validity of the Commission's decision — Equal treatment — Statement of reasons)