.... You're new, and the second guy should know this already. No and no. Airbags are completely useless without having anything in the vehicle (dummy or man), and there never will be because it takes far too much time to develop.
oh sorry i forget to say it about the ragdoll. Ragdolls were be cool, Ragdolls with Airbags were be awesome
When they add beam ''thickness'' nothing will stop the community from creating a human with a beam-node skeleton. The problem right now is that you can create it and put it in a car, but it'll clip badly through the car and look awful.