About: http://webisa.webdatacommons.org/228287878

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 most areas currently in violation of national air quality standards (nonattainment areas), transportation is a major source of air pollution.
http://www.w3.org/ns/prov#wasQuotedFrom	dot.gov