The lost technology of Pneumatic Tube Transport PTT

Their was a time when the world was going to embrace Pneumatic Tube Transport but the oil & motor companies got the ticket to ride.

Pneumatic Tube Transport uses a network of tubes which carry capsules by using compressed air or a vacuum.

Elon Musks Hyperloop uses similar technology to Pneumatic Tube Transport. Elon Musk's Hyperloop will do away with the need for motor vehicles, especially in urban areas & even in rural areas.

Vacuum Maglev technology is very similar to a hyperloop or PTT, Pneumatic Tube Transport.

Pneumatic Tube Transport or the hyperloop is supposed to be powered by renewable energy . . .

Solar energy
Tidal power
Wave power
Wind power
Osmotic power
Marine current power
Ocean thermal energy conversion

There are also other potential energy resources see this wikipedia link . . .

Pneumatic Tube Transport can do away with the transportation of goods by road, imagine shopping online & opening your Pneumatic Tube Transport shute in your house to receive your goods you bought online.