The best way to understand hydrogen is Liebreich Hydrogen Ladder: https://www.rechargenews.com/energy-transition/liebreich-oil-sector-is-lobbying-for-inefficien

The best way to understand hydrogen is Liebreich Hydrogen Ladder: https://www.rechargenews.com/energy-transition/liebreich-oil-sector-is-lobbying-for-inefficient-hydrogen-cars-because-it-wants-to-delay-electrification-/2-1-1033226 https://www.rechargenews.com/energy-transition/liebreich-oil... The best use cases for hydrogen are fertilser or in hydrocracking. We currently use primarily natural gas to produce hydrogen. Urban or commuter cars are one of the worst use case for hydrogen. Electricity and batteries are way better.