In recent years, the question has been asked repeatedly “Where will the hydrogen come
from?” This question is important, but can only be answered if one considers a more
fundamental question “where will our energy come from in the coming decades?” Today
it mainly comes from finite fossil and nuclear energy carriers; in the long term, it will come
from renewable energies. The basic question of availability of raw energy materials is to
be covered in this brochure and an answer proposed.