Jon Bjorn Skulason points out some of the geothermal wells harnessed for Iceland's power needs.

The nation that is furthest along toward abandoning oil altogether in favor of hydrogen is Iceland. Alan sees (and hears) for himself the astonishing power of Iceland's geothermal wells, which produce cheap and abundant electricity that can be converted to hydrogen. He visits the nation's first hydrogen fueling station, where electricity is turned into hydrogen — and which shortly afterwards has its first customer.