About: http://webisa.webdatacommons.org/181852037

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	A steam engine itself has zero emissions except for water and heat, and the heat can be recycled in a way that makes the steam engine about 70% efficient in converting heat to electricity.
http://www.w3.org/ns/prov#wasQuotedFrom	jonathanturley.org