PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • fits and may reduce some types of tailpipe emissions.Natural gas, a fossil fuel comprised mostly of methane, is one of the cleanest burning alternative fuels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • farmanddairy.com