Originally posted by: 0marTheZealot
Just because hydrogen is the most abundant element in the universe doesn't make it easy to extract nor easy to refine and use. Also, hydrogen is 99% of all elements in the universe. There is a reason why we don't use hydrogen as a fuel.
Look at where all the hydrogen is bound. HYDROcarbons, H2O, metal hydrides. Even though hydrogen is part of the compound, can you directly use it? Are there wells of free H2 gas in the earth? The answer to both of these questions is no. To use hydrogen, one must break chemical bonds to free hydrogen. Breaking chemical bonds takes energy, usually in the form of heat provided by fossil fuels.
Electrolysis of H2O yields hydrogen and oxygen. Where did the energy come from initally to break those bonds? Probably from a gas-fired power plant supplying the appartus. Or you can oxidize methane (natural gas) to CO2 and H2. Again, this requires energy, as methane is a very stable compound at room temperture. There needs to be pressure and heat applied to the system before H2 is spontaneously made.
One must understand chemical and physical theories before making wild accusations. The only way H2 will serve as an energy SOURCE, rather than an energy CARRIER, is through the fusion of Deutrium, an isotope of hydrogen present at 1 parts per 1000 I think, and either another molecule of deutrium or tritum to yield a helium atom. There is a net loss of mass and that mass is converted into energy. This is the only way for hydrogen to be an energy source.
Remember the 1st and 2nd laws of thermodynamics. Matter and Energy can not be created nor destroyed, only changed in form. Whenever going from one type of energy to another, there will be a net loss of energy in the form of heat. In a closed system, there can never be a decrease in entropy; only a change of zero or an increase.
Both of these principles are laws of nature, and thus can not be broken.
dmcowen:
No I don't work for any of those "evil" companies. Clouds aren't hydrocarbons, since they decidedly lack carbon in their structure. And although hydrogen is the most abundant element, free hydrogen does not exist on or in the planet, as far as we know. Also, I am not a right-wing creationist. I ground most of my everyday life in hard science and engineering. Ceasing to believe in facts does not change their truth. Red herrings like these do not do any good in a discussion.
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