Judgment of the Court (Grand Chamber) of 15 November 2005 in Case C-320/03: Commission of the European Communities v Republic of Austria (Failure by a Member State to fulfil its obligations — Articles 28 EC to 30 EC — Free movement of goods — Articles 1 and 3 of Regulation (EEC) No 881/92 — Articles 1 and 6 of Regulation (EEC) No 3118/93 — Transport — Sectoral prohibition on the movement of lorries of more than 7.5 tonnes carrying certain goods — Air quality — Protection of health and the environment — Proportionality principle)