Comment by nkoren

Zubrin's "Hydrogen Hoax" from 2007[1] is basically an ironclad critique. The physics are inescapably poor, and always will be. (Zubrin makes other points in that article which should probably be taken with more salt, but his critique of hydrogen stands).

1: https://www.thenewatlantis.com/publications/the-hydrogen-hoa...