> hydrogen's the only storage medium that makes sense at that scale. There's more hydrogen in a liter of gasoline than in a liter of liquid hydrogen. Electri

> hydrogen's the only storage medium that makes sense at that scale. There's more hydrogen in a liter of gasoline than in a liter of liquid hydrogen. Electricity to gasoline produces a safe product that is easily storable for years and easily transportable requiring only minor safety precautions. Not something that can be said for hydrogen.