Formula D is both the name of the United States' drifting series, and the name of the G4 television program that covers it. It is the American equivalent of drifting's premier championship in Japan, the D1 Grand Prix. The series is sponsored by the popular video game series, Need for Speed. Its official name is Need for Speed Formula Drift Presented by Circuit City. It was inaugurated in 2004, and is a division of the Sports Car Club of America.