157 - Trolley bus or trolley coach.

§ 157. Trolley  bus  or trolley coach.  Any motor vehicle not operated  on rails or tracks which is propelled by electric  power  received  from  overhead  trolley wires and which is operated by a person or corporation  subject to the jurisdiction of the public service  commission,  pursuant  to  local  consent  and  a  certificate,  permission  and  approval,  or  authority granted by the commission.