Low-cost IronLev passive maglev upgrade tested on regular rail tracks

https://newatlas.com/transport/ironlev-passive-ferromagnetic-rail-tracks/

"cushion of air that physically separates the vehicle from the track... U-shaped passive ferromagnetic levitation... no wheels... move a 10-ton wagon with the same force that is needed to lift a 22-lb backpack... existing iron railways tracks... tracks not modified, no elements added to infrastructure, extremely cost-effective... future: 20-tonne vehicle and ramping the speed up to 200 km/h (124 mph)"