About: http://webisa.webdatacommons.org/399517120

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	Like landfill gas, biogas is mostly methane and carbon dioxide, with small amounts of nitrogen, oxygen and hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	sourcewatch.org