About: http://webisa.webdatacommons.org/149649503

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	Cash for Clunkers" first became popular in the 1990s as a response to air pollution, especially from vehicles built before catalytic converters became available in the mid-1970s.
http://www.w3.org/ns/prov#wasQuotedFrom	calcars.org