Related StoriesFormula 1's move toward a rules revolution faces a key vote on Tuesday that should decide whether major changes to car design can happen in time for 2016.After weeks of discussion between team bosses and technical chiefs over a sweeping rules overhaul, matters will reach a head when what...

McLaren has claimed that its factory has already produced the downforce improvements it needs to move up the Formula 1 grid.Efforts to lift the performance of its MP4-29 have become more urgent after a disappointing performance in the Chinese Grand Prix. But racing director Eric Boullier insists there is no...