Propane Autogas Pays Off for Sea-Tac MasterPark
Eighteen months after MasterPark, a valet parking service at Seattle-Tacoma International Airport, converted 23 of its shuttle buses to propane autogas, the investment has already paid for itself.
Eighteen months after MasterPark, a valet parking service at Seattle-Tacoma International Airport, converted 23 of its shuttle buses to propane autogas, the investment has already paid for itself.