Broadway Limited N High-Capacity Cryogenic Tank Car, Air ProductsBroadway Limited N High Capacity Cryogenic Tank Car, Air Products Part Number: 836563081503 Description Broadway Limited N High Capacity Cryogenic Tank Car, Air Products BLI Item #: 8150 High Capacity Railroad Tank Cars for Cryogenic Fluids, or Cryogenic Tank Cars for short, are used for the transportation of super cold fluids such as liquid oxygen, nitrogen and argon. These tank cars solved the problem of maintaining extremely low temperatures while