It would be sad to see Cosworth leave F1 but current economic times are such that it may be more than just an engine supplier leaving the sport.
Heading into 2012, we considered the use of KERS would possibly allow Team Caterham F1 to make a much needed surge in the performance category but they still remain adrift of Toro Rosso. One has to be cautious in thinking that Marussia will experience the types of gains that would have them emerging from the back of the grid.
A few years ago, BMW had a Formula One team and they had made the move from engine partner with Williams F1 to a full-fledged team. Having purchased Peter Sauber's F1 team, BMW set realistic goals and marched forward in their quest with success and methodical achievements under the leadership of Dr. Mario Theissen.