I haven't Jed, I've seen no trace of it and can't find in Medium Search. This might be because B banned me from reading their stories after I accused them of actually representing the interests of banks, and probably being on banks payroll. Bang goes my hedgehog... Anyhow it sounds like they are rightly down on white hydrogen, I hope so because would be the right message, only solar hydrogen is good, there is no other good way of creating it, if it doesn't come from the sun then it has to come from Earth, and we can't really bend that rule.
Recall if it comes from Earth, and we burn it, that is heat added to Earth, whereas if it comes from the sun and we burn it, the worst that can happen is heat added to Earth as if we never used it, it's a double whammy, a second order effect, before we even talk about CO2