Imagine The Walking Dead started in 50 years from now. The way things are going now, picture this scenario:
>A survivor is walking down a lonesome road.
>They arive at a small resort and there’s a car covered in dust and dirt in the parking lot.
>They approach the car and check whether it still has some bio fuel left in the tank.
>Still plenty.
>They look around spotting a decayed body close by.
>They search the body and are lucky to find a ‘keyless’ key belonging to the car.
>There are no door handles and the battery inside the key corroded away.
>They break the glass and open the door from the inside.
>Finally inside, there’s still no way to start the engine without the key.
>They have an idea.
>The digital wrist watch on the body should have the same battery as the key.
>After a bit of tinkering with some tools they get the key working again.
>They press the ignition button.
>The displays light up but the engine remains quiet.
>The displays show error messages:
ERROR CODE: ND47089
Tire pressure sensor subscription expired
Please schuedule service or enter payment information
Engine start failed
>MFW
If the car is tied to a location that is already safe and secure in a post apocalyptic setting, then sure. But a post apocalyptic car is really only needed to haul stuff around or as protection against things outside the vehicle, and depending on the apocalypse you likely need to stay mobile, reinforce a secure location, or relocate to somewhere remote away from urban areas. Transporting the panels to a remote location will take time and effort, and if you need to be mobile you won’t have time to charge.
Now if you had a rural home with solar panels on the roof and the location was secure an electric car would serve you well until something mechanical or the batteries failed and if you didn’t need to travel far you could use it regularly too.