Mercedes Formula 1 team boss Toto Wolff says working with Lewis Hamilton has been a pleasure, even though his character sometimes bites him.Hamilton was heavily self-critical at times during the 2013 season, and also raised eyebrows with some of his forthright radio conversations with the Mercedes crew.After the season-ending Brazilian...

Romain Grosjean should now be considered as one of Formula 1's top four drivers after his performance in the United States Grand Prix, reckons Lotus team boss Eric Boullier.Grosjean was again Red Bull's main threat for victory last weekend and his second place behind Sebastian Vettel was his fourth podium...