I have a 4 year old daughter. Smoking in the vehicles is strictly forbidden, when she is in it, which I have no complaints, Especially at her age. So comes my question. What's the opinion on the OK age for kids to be, while you are smoking in the car? Is there such a thing? I know some people who just don't care at any age. These days are different then before, when my grandpa used to load the wife and 5 young kids on 5 hour drives, with the window barely rolled down, just puffing away on his pipe, and grandma chain smoking cigarettes. What's your opinion? I won't judge, I promise.