Here's something from my local New York State assemblyman which shows that
politicians have been thinking about this although haven't gotten around to
passing it.

-Mike Feng
87 Vanagon GL
63 Beetle

>
> From: "Martin Luster" <lusterm@assembly.state.ny.us>
> To: <mf29@cornell.edu> (Michael Feng)
> Subject: smoker motor law
> Date: Thu, 2 Sep 1999 10:25:24 -0400
>
> Mike,
>
> The bill you heard about is A.3990/S.5061.  It prohibits smoking in your car
> if you have a minor younger than 16 years old riding with you.  The fine for
> a first offense under this proposal would be $500.00; for a second offense,
> $1,000.00; for a third offense $1,500.00 or 10 days in jail.
>
> This bill is NOT law. In fact, it has been kicking around the legislature for
> a while and has never gone anywhere. If you want a copy, you might find it on
> the assembly web site or we would be happy to provide one.  Just send us your
> snail mail address.
>
> Margaret Johnson
> Legislative Aide

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