"A world champion needs to be in a position to overtake his opponent without help -- otherwise, in my eyes, he is not a world champion" - Mauro Forghieri.
Lotus team doesn't want to spent any more time on it.
In 2013, DRS will only be used during races and not during free practice and qualifying. Lotus driver Kimi Raikkonen agrees with the FIA.
Berthold Bouman, F1 correspondent