We all like the freedom. But there are other fuels than gasoline that you can run a car on, usually with minimal modification. Alcohol can easily be made from plants and it burns cleaner than gasoline. Many farmers used it during WWII for their tractors. It can easily be made from almost any organic waste such as sewage, garbage, and manure.
Cars run very well on natural gas.
Some fleet vechiles, school busses, and postal trucks use it now. It can also be converted to gasoline, but it's a bit more expensive that way. Solar power is ultimately where most of the energy we have comes from. A lot of research has been done on solar power over the last 30 years. Allowing for inflation that a 10 to 1 drop.