96% of hydrogen already comes from fossil fuels: > There are four main sources for the commercial production of hydrogen: natural gas, oil, coal, and electroly

96% of hydrogen already comes from fossil fuels: > There are four main sources for the commercial production of hydrogen: natural gas, oil, coal, and electrolysis; which account for 48%, 30% 18% and 4% of the world’s hydrogen production respectively. https://en.wikipedia.org/wiki/Hydrogen_production https://en.wikipedia.org/wiki/Hydrogen_production