Austin: Lewis Hamilton increased his lead in the drivers world championship to 24 points on Sunday when he swept to his fifth consecutive victory and 10th of the season by winning the United States Grand Prix.
Formula One`s cash-strapped smaller teams could boycott Sunday`s U.S. Grand Prix unless their complaints about the division of revenues are heard, Force India deputy principal Bob Fernley said on Saturday.
Awarding double points for the final race of the Formula One season is a gimmick but one that American fans may understand more than most, according to the country`s last world champion Mario Andretti.
Formula One championship leader Lewis Hamilton rounded off a hat-trick of fastest laps in U.S. Grand Prix practice on Saturday with Mercedes team mate and title rival Nico Rosberg 0.883 of a second slower after suffering a brake problem.
The FIA has revealed that Caterham and Marussia's financial problems highlight the need to cut costs in Formula One after the two teams went into administration this month and would not be taking par in Sunday's United States Grand Prix.
Daniel Ricciardo conceded on Thursday that his Red Bull team-mate and four time champion Sebastian Vettel may duck out of qualifying at this weekend`s United States Grand Prix because of an enforced power unit change.