About: http://webisa.webdatacommons.org/452826772

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	What are some obstacles to developing algae as a fuel source? (It is an expensive process, especially the start-up costs associated with building an algae ???refinery.???)
http://www.w3.org/ns/prov#wasQuotedFrom	nationalgeographic.com