C-242/17Legatoria Editoriale Giovanni Olivotto (L.E.G.O.) SpA v Gestore dei servizi energetici (GSE) SpA and Others

The court's own keywords

Reference for a preliminary ruling — Environment — Promotion of the use of energy from renewable sources — Bioliquids used for a thermal energy plant — Directive 2009/28/EC — Article 17 — Sustainability criteria for bioliquids — Article 18 — National sustainability certification systems — Implementing Decision 2011/438/EU — Voluntary sustainability certification systems for biofuels and bioliquids approved by the European Commission — National legislation requiring intermediary operators to submit sustainability certificates — Article 34 TFEU — Free movement of goods.

Interprets