Less than three years ago, Kan-based Tallgrass Energy accepted a $4 billion investor buyout led by Blackstone that took the midstream company private. A name change to simply “Tallgrass,” and appointment of a new CEO quickly followed, along with a fresh strategy to diversify the business from an oil-and-gas pipeline transporter and processor, to an infrastructure company with an eye on new-energy frontiers. ...

The Bipartisan Infrastructure Bill passed in 2021 includes $8 billion to create and physically build a hydrogen market in the U.S. The Department of Energy’s hydrogen program lays out a strategy that begins with 6-10 regional hubs that will manufacture, transport, store, liquify, and commercialize “clean” hydrogen on a large scale. That’s one way of going about it. ...