Re: $20 a gallon gas proposed.....
Markeatmark is probably closest to the real reason this could happen. Think pre-WWII Germany. Runaway inflation could make everything outrageously expensive.
Ethanol is a renewable resource but it also taking up agricultural capacity while the world population continues to expand unchecked. What we really need is NPG (negative population growth) for a few generations!
If it can't be broken I'll find a way!
I'm not lost, I'm exploring!