Quote Originally Posted by mknight View Post
I don't know the detailed regulatios in each country, but there are quite a few road legal cars that have no windscreen in the first place
(Caterham/other Lotus 7, KTM X-bow ++).

It's something completely different than driving with 3 wheels only.
There are Renault Sport Spider`s +others in Finland, so wind screen isn't mandatory here.