and true to the title of the post, may i divert your eyes to these non-political sites that talk about the worlds remaing oil supplies and inevitable scarcity.

http://www.elec.canterbury.ac.nz/students/pgs/hume/ec.html

http://www.dieoff.com/page175.htm

and one political one

http://www.elsi.org/endofoil.htm