U.S. natgas companies put hydrogen to the test | Reuters

At least two dozen U.S. energy firms, including Dominion Energy Inc and Sempra Energy, have started producing hydrogen or testing its viability in natural gas pipes to take advantage of existing infrastructure as the world prioritizes lower-carbon fuels...

https://www.reuters.com/business/sustainable-business/us-natgas-companies-put-hydrogen-test-2021-07-01/