Ignoring the polluting effects of electric and hybrid cars for a moment.

You talk as if there are not other means of delivery of nicotine that don't contribute to the risk of passive smoking. The only reason I'm going through withdrawal right now is because nicotine gum is too bleedin expensive,

Lets not kid ourselves here cars are a much more deadly and environmentally polluting and politically aggressive social phenomenon than cigarettes.

Being hit by a moving cigarette at speed will produce minor burns at worse.

Being hit by a moving car at speed will produce minced meat.

The are no regime changing wars based on tobacco plantations and the slavery associated with it's past is in it's past.

The technology behind the horseless carriage is useful but the addiction to public car ownership and the effects on the environment are practically unchecked compared to the puritanical hysteria around smoking.

Get a cab, get a train, get a bus and if you can't hire a car.

If none of these options are practical or possible and you still genuinely need a car buy ONE not FIVE and then you be preachy about smoking.