Railroads will end up with AMBRI technology, as will long haul trucking eventually.
Liquid metal batteries developed at MIT about 15 or so years ago. They self clean and never wear out.
Storage, but more so, cost of a container is an issue being worked on at present.
Think its crap?, you should see the list of Investors I get, and its Not a publicly traded entity.. yet.
Side note>> I saw GW Bush drive a hydrogen SUV in NY, and filled it there at one time.
Back to Ambri...