Since AUTOSPORT first published The true cost of Formula 1 a year ago, the financial squeeze on teams has tightened.
Few race weekends passed without some tale of money woe sweeping through the paddock, and matters came to a head last weekend when Caterham and Marussia missed the United States Grand Prix.
More than one team has had to resort to pay drivers and shareholder loans to stay afloat as the global economic crisis continues to bite.