About: http://webisa.webdatacommons.org/446373974

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Factors such as type of engine, quality and type of fuel used, improper maintenance of vehicles, traffic congestion, poor road conditions and out-dated engine technologies contributed to air pollution.
http://www.w3.org/ns/prov#wasQuotedFrom	newindianexpress.com