Vehicle stock data for road transport are modelled data derived from TREMOVE (http://www.tremove.org/model/index.htm). Population and GDP are statistical data from Eurostat (http://epp.eurostat.ec.europa.eu/portal/page/portal/statistics/themes).
Passenger car ownership is expressed in number of passenger cars per 1 000 inhabitants.
EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (http://www.eea.europa.eu/legal/copyright). Copyright holder: Directorate-General for Environment (DG ENV), Statistical Office of the European Union (Eurostat).