> I can’t make my own gasoline, period.
True, gasoline is difficult to synthesize at less than an industrial scale.
However, isobutanol is fairly simple to create and purify via the ABE process, and works well as a drop-in replacement for gasoline in all modern automotive gasoline engines.
Someone with a small farm could make their own butanol to run their cars, but it would probably have problems with the fuel tax laws.
Huge difference between setting a solar panel on my lawn vs distilling trees.