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Bockris, John O’M.; Veziroglu, T. Nejat
International journal of hydrogen energy, 08/2007, Letnik: 32, Številka: 12Journal Article
The rejection of hydrogen as a solution to global warming by becoming the medium of wind and solar was made when gasoline was priced at $1/gallon. From wind, H 2 would now cost (by electrolysis of water and steam) less than $3 for an amount equivalent in energy to that in a gallon of gasoline (“equivalent”). From solar photovoltaics (pv), H 2 would be sinking in price between $8 toward $5 equivalent as the efficiency of solar pv increases toward 20%. 1 1 Calculated price estimates stated here include 25% profit and the cost of piping H 2 1000 miles. Unless otherwise stated, prices are in 2006$. Solar thermal's present prices offer about one-half the solar pv prices. Prediction of the maximum of the delivery rate of world oil is Laherre's Oil Production Forecast, 1950–2150. Reprinted with permission from correspondence with William Horvath, U.S. Department of Energy, March 29, 2001 2010. Future energy sources will develop inexhaustible energies from wind, solar, geothermal, tidal, and wave sources. The common media will be hydrogen and electricity. These sources yield energy at around one-half the cost of nuclear fission. Growing corn to make alcohol involves a net loss of energy and need for a heating mechanism. 2 2 Growth of the plant fueled by solar light and CO 2, forming alcohol involves a heating stage and numerous operatives use fossil fuels, thus introducing CO 2. This ruins the “no CO 2” process. However, it is pointed out in this paper that one could use an excess of the first stage biofuel to provide heat and this would run on CO 2 and light, i.e., no net CO 2 in burning. It may increase the Greenhouse.
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