About: http://webisa.webdatacommons.org/96861834

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	Worldwide MWM developed the first engines to run on mine gas with only 25% methane, the rest of the gas being mostly carbon dioxide and nitrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	greenpowerintl.com