The average American uses 917 gallons of oil a year. If every person in the world used that much we would deplete all known oil reserves in 10 years. That is 5

The average American uses 917 gallons of oil a year. If every person in the world used that much we would deplete all known oil reserves in 10 years. That is 5 times faster than we are today. There will be more oil found, but it's going to get a lot more expensive really fast.