What happens after the oil is gone?

Answers from various people to the original question.Capitalist: What are you talking about? The Earth has an infinite reservoir of oil waiting for us to drill out.Conservative: How dare you to even ask this question? Oil has proven itself to work for the last 4 hundred years and we should not steer away from it.Christian conservative: Jesus will return anytime now, so there is no point in finding an alternative, renewable source of fuel.Liberal commie: We need to stop using oil now! Organic food all the way!