The world will soon start to run out of conventionally produced, cheap oil…. We [will] start to run out of all fossil fuels by the end of this century.
David Goodstein (2005). “Out of Gas: The End of the Age of Oil”, p.15, W. W. Norton & Company
![The world will soon start to run out of conventionally produced, cheap oil…. We [will] start to run out of all fossil fuels by the end of this century.](http://cdn.quoteddaily.com/images/david-goodstein/the-world-will-soon-start-to-run-out-of-conventionally-produced-cheap-oil-we-will-start-to-run-out-of.jpg)