PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gasoline and other fossil fuels add to the CO2 supply in the atmosphere by giving off CO2 absorbed and trapped in plant material millions of years ago.The advantage of biofuels is less clear in a ???life-cycle??? analysis that examines not just combustion, but the production and processing of the feedstock into fuel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov