A company called Raonhaje has developed the EGO mini-submarine which floats on water, but…See Details.
@TatWza

It’s a submersible capsule for passengers to check out what’s going on beneath the surface. A relatively eco-friendly EV vehicle cruises at just less than five knots for four hours on a full charge. No Price, But you know….If You have to ask…..

EGO