C-549/15E.ON Biofor Sverige AB v Statens energimyndighet

The court's own keywords

Reference for a preliminary ruling — Promotion of energy from renewable sources — Biofuels for transport — Directive 2009/28/EC — Article 18(1) — ‘Mass balance’ system to ensure that biogas meets the prescribed sustainability criteria — Validity — Articles 34 and 114 TFEU — National rules requiring the mass balance to be achieved within a location with a clear boundary — Practice of the competent national authority to accept that that condition may be satisfied where sustainable biogas is transported using the national gas network — Order of that authority stating that that condition cannot be satisfied where sustainable biogas is imported from other Member States via interconnected national gas networks — Free movement of goods.

Interprets