About: http://webisa.webdatacommons.org/112743470

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	When an engine is working hard, such as pulling a heavy load up a long grade, it requires a richer air/fuel mixture.
http://www.w3.org/ns/prov#wasQuotedFrom	hotrod.com