404. That’s an error.
The requested URL /translate_c?depth=1&hl=fr&rurl=translate.google.fr&sl=fr&tl=es&u=http://fr.wikipedia.org/wiki/%25C3%2589missions_de_CO2_des_transports_ferroviaires&usg=ALkJrhi3h23fwggIyNYlRlZ9buHZgkdLng
was not found on this server. That’s all we know.