About: http://webisa.webdatacommons.org/56102038

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	Flywheel energy storage has been used in hybrid vehicles such as buses, trams and prototype cars before but the installation tended to be heavy and the gyroscopic forces of the flywheel were significant.
http://www.w3.org/ns/prov#wasQuotedFrom	hybridcars.com