[LifeIsThermal]

The alternatives would be so expensive that nobody could afford them. Without fossile fuels nobody would even bother to build them because of the cost and trouble. Without fossile fuels there wouldn´t even be any planes and trucks available to deliver materials for development and production. Ban fossile fuels and civilization will collapse in a day.

[warlog]

Natural depletion on a finite planet is like banning, but slower. End result will be the same.