When will oil, natural gas, and coal peak?

In this paper, a predictive model based on a variant of the multi-cyclic Hubbert approach is applied toforecast future trend in world fossil fuel production.Starting from historical data on oil (crude and NGL), natural gas, and coal production, and taking intoconsideration three possible scenarios for the global Ultimate (i.e. cumulative production plus remainingreserves plus undiscovered […]