> wrote in message
m...
>
> "James C. Reeves" > wrote in message
> ...
>
>> And have you found a automatic system that can tell when atmospheric
>> conditions have limited sight distance to below 1000 feet (a statute
>> requiring lights-on in my state)? I doubt it since none exists that can
> do
>> that. Manual control is your only reliable option in those situations.
>
> Im not really interested in turning them off when driving conditions are
> good.
> It doesnt serve any purpose, other than miniscule improvement in economy.
>

I was thinking more about those people that don't manually turn them on in
those conditions.