“NOW HOW IN H-E-L-L DO YOU REPLACE ALL THOSE PETROLEUM BASED ‘BYPRODUCTS”? Answer is that you don’t because you can’t. In order to keep the current human populace from a massive die-off caused by malnutrition and other forms of deprivation you will have no choice but to drill holes in the ground, pump out crude oil, and refine it. Do that or perish.

Then, pray tell, what do you do with all that gasoline and diesel you keep getting as an unwanted byproduct? Hmmmmm???????”
—
Dave,
Coal will provide many of the byproducts, plus diesel, gasoline and methanol.
Since we have both (including truly large quantities of coal) we should be both drilling and digging.