About: http://webisa.webdatacommons.org/358284477

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	Exhaust gas from car engines contains noxious substances, such as CO, HC, NOx, etc., which will develop into air pollutants.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es