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Message: <blockquote data-quote="kevin1982my" data-source="post: 635684" data-attributes="member: 24337">The arguement that cars should be powered by hydrogen as hydrogen is the most abundant element is rather interesting.We do have to keep in mind, although hydrogen is abundant on earth, but most if not all is stored in water. And keep in mind, water is not a fuel, its an ash. Its produced when you burn free H2 with O2. So in short, free hydrogen must be produced from water before it has any value as a fuel. I have drilled and steered many directional wells offshore, and none of them yields any free hydrogen. There are a few ways to make hydrogen, requiring massive amount of energy. Electrolysis is a way to do it but it requires massive amount of electricity. There are some research on using GM modified bacteria/algae that can break down water into H2 via a modified version of photosynthesis. This i believe is the best way forward as humanity is still highly dependent on fossil fuel as an energy source to power our lives. Hydrogen is never a source of energy as its not commonly found in its free form on earth. At this stage, its just a medium to store energy, which means that the energy that powers our car has to come from somewhere.</blockquote>