The Commission's original proposal would have given Member States a choice between two models: ownership unbundling; or the preservation of integrated supply and transmission companies, provided that the operation of the transmission network was handed over to an independent system operator (ISO).
No 2012.gada kvotu sadali un tirdzniecību plānots attiecināt uz visiem lidojumiem, kas sāksies vai beigsies kādā no Eiropas Savienības lidostām.