The best way to strip paint and rust is with soda blasting. I have a friend who did it with a simple high pressure washer. The result was perfect and this method has the advantage to be environmental friendly so you could do it in your driveway. The only inconvenient is that you have to strip the whole car and prime it as soon as it is dries to prevent the rust to come back
You can also use non toxic chemical strippers. They are not as dangerous as they used to be but you still have to be carrefull to avoid any contact with your skin and it doesn't remove rust very good.
If you are not planing to sand or soda blast the car, you can use POR-15 products to neutralize the rust.
Here is the site you may be looking for:
http://www.carcraft.com/howto/24544/