About: http://webisa.webdatacommons.org/173458482

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	They give the case of Patterson-UTI Drilling, currently working in West Virginia and other gas-producing states, which decided to try the Waukesha gas engine technology.
http://www.w3.org/ns/prov#wasQuotedFrom	engineering.com