Interesting articles on the subject:
http://www.thenewamerican.com/tna/20...3-2004/gas.htm (history, price controls, OPEC)
http://www.yonip.com/main/articles/energy.html (stats from DoE site http://www.eia.doe.gov/)
http://www.federalreserve.gov/boardd...27/default.htm (4/04 Greenspan remarks)
All that and more is why we as consumers ought to be enthusiastically supporting research into thermal depolymerization as an alternative source for ready-to-use petroleum products.