About: http://webisa.webdatacommons.org/334662570

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	Catalytic converters are expensive to manufacture because they use precious metals such as platinum to eliminate emissions.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org