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Renewables-Based Technology.4 Jan, 2008 12:25 pm Making hydrogen from sugar is not feasible on any sensible scale, since to do so would require using the world's arable land in competition with food production...Hubbert Peak Oil5 Nov, 2007 10:05 am The price of oil has risen to almost $100 a barrel - a figure unthinkable from almost one fifth of that five years ago. Whatever economic reasons may be...Vast Oil and Life in the Deep-Earth.5 Jul, 2007 11:54 am Two books speculate that oil is formed continually within the earth by geological processes and will not therefore run-out,... |