Other posters already mentioned the storage factor, so I'll mention the safety factor: Hydrogen is flammable, but kerosene is not; kerosene is instead combusti

Other posters already mentioned the storage factor, so I'll mention the safety factor: Hydrogen is flammable, but kerosene is not; kerosene is instead combustible. Here's the technical difference between the two[0], but in practical terms it means that you can drop a lit match or cigarette into a tank of kerosene and nothing will happen. You can even heat a tank of kerosene directly with a propane torch without igniting it[1]. [0] https://en.wikipedia.org/wiki/Combustibility_and_flammability https://en.wikipedia.org/wiki/Combustibility_and_flammabilit... [1] https://youtu.be/7nL10C7FSbE?t=105 https://youtu.be/7nL10C7FSbE?t=105