<http://webisa.webdatacommons.org/prov/224825985> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/222359718> . <http://webisa.webdatacommons.org/222359718> <http://www.w3.org/ns/prov#wasQuotedFrom> <economist.com> . <http://webisa.webdatacommons.org/222359718> <http://www.w3.org/ns/prov#value> "Trains are inherently cheaper than road and pollute less if they use electricity from non-polluting sources, nuclear, renewables including hydro." . <http://webisa.webdatacommons.org/222359718> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/334715142> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/222359718> .