About: http://webisa.webdatacommons.org/268738623

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	In each case, there is a show-stopper: either they were too expensive, undercut by competitors, or not marketed well enough.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov