The Oil Reserves issue, again.

[Francesca R]

the definition of "known reserves" is not intended to mean "that's all there is [ . . . ]

Somebody tell Peggy Lee!

We won't "run out of oil" suddenly precisely because that's not how economics in a free society work. As it becomes physically more scarce, prices increase. This creates pressures that capitalism works to satisfy.

You'll be aware, I hope, that the oil "market" falls very consipcuously short of things that can be called "free" or "capitalism"? In short, its supply curve is a great deal steeper (price-inelastic) due to various abominations of those concepts.