European Union – Environment. The proceedings concerned the decision by which the Marche Region, Italy, had taken the view that there was no need to examine whether it was necessary to subject the project of Società Agricola 4 C S. S., by which it had sought to increase the capacity of a plant for the production of electricity from biogas, to an environmental impact assessment. The Court of Justice gave a preliminary ruling in the course of those proceedings on the interpretation of Directive (EU) 2011/92.