I m worrying abit about the TT-RS... might be as fast as the m3? i wouldn´t like it, but so what?
pollution-aspect of cars:
its ridicolous to complain about the pollution produced by cars... we speak about ~ 2% of the polution made by mankind.
You might save a lot more polution by efficient powerplants / good isolation for houses / efficient cargo-ships and so on...
we have these "green" discussions in way too often. most arguments are just WEAK but pushed by ideologys and polemic