About: http://webisa.webdatacommons.org/372728367

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	Coal has been mainly used for power generation using the inefficient direct coal fired steam turbine power plants or the more efficient integrated gasification combined cycle gas turbine. Transport energy is provided mainly by liquid
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com