Mud Cake
God
This could be cool, my first thought was about motion sickness though.
Weeeeeeeeeeee..........
Petroleum companies would never allow that.
Sad but true.
The big oil companies will do what they always do buy up all the patents and horde the technology so no one sees it..
When electric car batteries started to get good most of them vanished because all the patents were bought by oil companies, strange that.
BTW this is not a new idea. In the 1800s they used vacum tubes minus magnets to drive trains on the ground. The catch being that the tube had a shaft connected to the train above it so it could propel it. It was called a pneumatic railway