Ferrari's change of direction may have been influenced by newcomer James Allison, who was responsible for the highly competitive Lotus cars of recent seasons.
Mercedes boss Ross Brawn also commented on the inconsistency of his driver, Hamilton.
The Ferrari chairman thinks highly of the new technical boss.
Harder, better, faster, stronger - Lotus F1 Team E21 unveiled at Enstone and online.
James Allison believes many F1 teams will use the same 'ugly' nose this year; including Lotus F1 team -- at least for now.
When word was out that James Allison was leaving Lotus, rumours spread that the technical director would move to Ferrari. However Luca di Montezemolo said, "I know nothing."
The Lotus F1 team thanks James Allison while the team announces their new technical director.
Berthold Bouman, F1 correspondent
Following the launch of the Lotus F1 Team E21 earlier this evening, Team Principal Eric Boullier and Technical Director James Allison discuss their thoughts on the season ahead and outlined the Lotus F1 Team’s 2013 ambitions.
Ferrari's Fernando Alonso and Luca di Montezemolo have hinted that Allison might have a future in red.