PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Compared to gasoline and diesel vehicles, according to the DOE, natural gas vehicles ???can produce significantly lower carbon monoxide, nitrogen oxide, nonmethane hydrocarbon, particulate matter and other toxic emissions, as well as greenhouse gas emissions.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • gigaom.com