This group of people is taking the threat of Peak Oil very seriously. Doomers as they are called, are preparing for a collapse of society when oil runs out. This is somewhat reminiscent of the people who were preparing for millennium doomsday.
Although this is an extreme reaction to oil depletion, it does remind us that we are depending on a non-renewable resource and do not yet have a complete solution for the dependency on petroleum. And our resources will most likely dwindle not stop abruptly.
To see the article, click: http://www.treehugger.com/files/2010/06/boom-in-doom-peak-oil.php