Actually, there are great professional brands of paint out there that you could purchase. A great recommended brand would be Maaco, because it is highly used by professional Sports car drivers.
In a shop...
Fussion rattle can paint at lowes hardware
Autos, airplanes and ships.
I recommend a good epoxy paint with the Uv resistant seeler.
Auto paint jobs can be handled by auto dealerships and many auto repair shops. There are also stores such as Maaco that specialize in painting autos.
Most of the time.
No, it is a poor fuel for use in autos.
what kind of paint does O'Keeffe use
lacquer is a type of paint known for its fast drying time. it is not sprayed on autos anymore because of its effects on the ozone
This depends on how large the car or truck is and what kind of paint you will use. It also depends on your skill. Most cars will average 3 to 4 liters of paint but if you are good, you can get away with 2.
The usual kind of oil paint.
It does depend on what kind of paint and how deep it has set in the concrete, but it certainly sounds like a good start to work on.