Already, executives from Deutsche Bank, Chase Manhattan and ABN AMRO have slung themselves into the single-seat Formula Palmer Audis in the past few months. Employees from Hewlett Packard and Compaq have raced there as well, so too have City law firms, accountants and insurance companies. Celebrities as various as Rory Bremner, Rowan Atkinson, Noel Edmonds and the rock star Jay Kay from Jamiroquai have also jumped on the oily rag bandwagon.