Cadillac's announcement of Sergio Perez and Valtteri Bottas as its Formula 1 drivers had been hanging in the air for several weeks but became official on Tuesday.
This means General Motors' F1 project is taking shape: the drivers are known, so are the three home bases (the team will operate from Fishers, Charlotte and Silverstone across the United States and United Kingdom), and Graeme Lowdon is pulling the strings as team boss.
