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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	Currently, hydrogen energy is frequently made from natural sources such as methane or other fossil fuels; Read the rest of this entry ???
http://www.w3.org/ns/prov#wasQuotedFrom	h2pia.com