At current usage rate, how much oil is left in world reserves?

[Bucky]

Poll question: At current usage rate, how much oil is left in world reserves?

Measured in time, how long until the world's known oil reserves run out?

Poll result (16 votes)
Within 20 years, we'll run out of the sweet sweet sticky crude	(1 votes, 6%)	Vote
Within 30 years, there will be no more Texas Tea	(2 votes, 13%)	Vote
Within 40 years, my SUV will come sputtering to a permanent stop	(8 votes, 50%)	Vote
Within 50 years, NASCAR will have to switch to *actual* horse power	(1 votes, 6%)	Vote
Within 60 years, travel by zeppelin will be cost effective	(0 votes, 0%)	Vote
80 years from now, Mad Max will look like Nostrdamus	(0 votes, 0%)	Vote
100 years from now, new reserve discoveries will lead to gasoline-powered air conditioners	(4 votes, 25%)	Vote