About: http://webisa.webdatacommons.org/133596110

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	However even that isn???t a straightforward measurement (especially for a spark ignited engine) because efficiency changes with engine speed and throttle angle and other variables.
http://www.w3.org/ns/prov#wasQuotedFrom	caradvice.com.au