In a letter to the F1 team principals, Mosley states that Formula One is becoming ``unsustainable''.
46052
Max Mosley: ``F1 becoming ``unsustainable''''
789
Michael Schumacher to retire from Formula 1 at end of season
35552
GM: ``we're forced to make hybrids.''
163854
Regulatory system needs to be changed:
67166
Malev says financing no longer sustainable
175418
No One in F1 wants to go to Bahrain
97265
Medical team 'facing difficulties'
160717
Raikkonen could walk away from Formula One
65501
F1 champ Sebastian Vettel raises fear over tyre safety
55305
Brake issue curtails Michael Schumacher's practice
48037
Schumacher calls off F1 comeback
154326
Michael Schumacher to retire at end of Formula one season
150516
Everton FC will be dealt huge blow when David Moyes leaves says Sir Alex Ferguson
105859
'Corruption could ruin this country':
145244
Ecclestone questioned by prosecutors
80447
Ecclestone issues an apology
48344
Fans advised to stay away from Silverstone