The tire of this invention has a silica-rich tread compound for excellent rolling resistance and tread wear properties. The tire is made to be conductive such that electrostatic charges on the vehicle can be quickly dissipated when the vehicle stops. An electrostatic discharge ring is located on at least...http://www.google.com.au/patents/US5518055?utm_source=gb-gplus-sharePatent US5518055 - Low resistivity tire with silica-rich tread and at least one electrostatic discharge ring
