Are there other CURRENT pieces of equipment (other than containers) that are considered intermodal. For example, a PALLET, a standard-sized hose that moves petroleum between a ship and a shore tank manifold, etc. be considered Intermodal equipment.

Also, what inventions have been made/envisioned that would be the next generation of something that would likely be considered intermodal advancement to transportation/logistics?

Are there any other items/inventions/infrastructure/equipment that were considered intermodal but have generally failed and not been implemented by the industry?

What innovations have expanded the use of the intermodal container system?