Are fossil fuels needed to grow corn? Or is corn fuel needed to grow corn? Fertilizer you have a point, might have to make use of your local sewer departments.
What difference will it makes when we run out of everything, was the point. Solar wont work, in less then 100 years there wont be any material to build it. No way to store energy is our future, that is a matter of time. Wind will work so will hydro, but that will be used up as it's made, solar will be gone, gas will be gone, even nuke energy will be gone look at those reserves. uranium will run out 2080.
Watch how fast corn will be the answer. Without energy for the masses, wood will be cut and wont be regrown in time for the need. As you can see the known resources, this is not that far off in the future. Better find a new way to fill potholes as well, no roads will be maintained, but it wont really matter because there will be no where to go, no stores, no hospitals, nada. It is irresponsible what is going on right now, this push for EV's will sink those resources faster then you can say darwin ten times.
benefits ethonal