Case C-44/16 P: Judgment of the Court (Ninth Chamber) of 11 May 2017 — Dyson Ltd v Commission (Appeal — Directive 2010/30/EU — Indication of energy consumption by labelling and standard product information — Delegated Regulation (EU) No 665/2013 — Energy labelling of vacuum cleaners — Energy efficiency — Measurement method — Limits of delegated powers — Distortion of the evidence — Duty of the General Court to state reasons)