Hydrogen message is spreading fast in USA. Good article from freightwaves:

"For the decarbonization of heavy transport, there really is no alternative to hydrogen," Wetselaar said at one of the opening sessions of the 2019 edition of CERAWeek, a gathering in Houston that brings together several thousand of the leading energy decision-makers from both government and private industry.''

https://www.freightwaves.com/news/fuels/trucks-hydrogen-cera-conference

Nikola and fueling stations mentioned as well.