PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • New emissions standards, dependent on cleaner (sweet) crude, have been in effect in Europe for some time; and sweet crude is especially well suited for producing diesel fuel, which is far more popular in Europe, and growing in demand worldwide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hydrocarbononline.com