As Richard Wade mentioned earlier, they’re popping up everywhere:

The sign reads:
La cattiva notizia è che Dio non esiste. Quella buona, è che non ne hai bisogno
Rough translation?
The bad news is that God does not exist. The good news is that you do not need him.
Definitely a change from the “probably” qualifier on the British buses.
Intellectually dishonest? Yep. But powerful nevertheless.
The campaign comes from the Italian Union of Rationalist Atheists and Agnostics (UAAR)— the ads will be seen only on two buses in Genoa beginning on February 4th. Hopefully, it’ll spread from there.
(Thanks to Raffaele for the link!)