<p>Few would argue with the proposition that within the next 20 or 30 years our current sources of fossil fuels and other somewhat substitutable liquids will be only a fraction of the 90 or so million barrels a day (b/d) that we are current consuming. Long before then however, fossil fuels are likely to become so expensive that major changes in how we power our civilization are likely to have occurred.</p>
<p><a href="http://www.energybulletin.net/stories/2012-07-19/peak-oil-crisis-technology-races-depletion">read more</a></p>