I was told that you only need them if you can't seen more than 100yards
and the 'boys in blue' were clamping down up here(n-east scotland)
with all these people driving around with sidelights and foglights on!!!
Stu
(having said that i moded my front fogs with a hid kit and it works great on the back roads in the famous 'scots mist'
makes it a lot easier to see the verge and feck'n potholes!!!!!)