 Proponents of the bill, led by the National Association of Railroad Passengers (NARP), sought government funding to ensure the continuation of passenger trains.They conceived the National Railroad Passenger Corporation (NRPC), a private entity that would receive taxpayer funding and assume operation of intercity passenger trains.The original working brand name for NRPC was Railpax, but less than two weeks before operations began, the official marketing name was changed to Amtrak.