The 2007 IndyCar Series season began with a night race on Saturday March 24 at Homestead-Miami Speedway. The season's premiere event, the 91st Indianapolis 500 was held May 27. The season finale was held at Chicagoland Speedway on September 9. Dario Franchitti, who won four races during the season, including the Indy 500, clinched the 2007 IndyCar Series Championship on the final lap of the final race, by winning the race after points leader Scott Dixon ran out of fuel while leading with less than ⅓ of a lap to go.
At the conclusion of the season, Danica Patrick was voted Most Popular Driver for the third consecutive year.^[1]
All races were televised on the ESPN family of networks. In addition, all races were broadcast live on the IMS Radio Network, and XM IndyCar Channel 145 and simulcast on XM Sports Nation.
The 2007 schedule was the twelfth season of the IndyCar Series, and part of the 96th recognized season of top-level American open wheel racing. It also marked A. J. Foyt's 50th anniversary of participation in IndyCar racing. Taken from http://en.wikipedia.org/wiki/2007_IndyCar_Series_season.


The 2007 Champ Car season was the 29th and final season of the Champ Car World Series, however only its fourth season under the Champ Car title. It began on April 8, 2007 and ended on November 11 after 14 races. Unbeknownst at the time, this would end up being the final contested season of Champ Car, as the following February, the series unified with IRL.
For 2007 Champ Car underwent some major changes. The opening race of the season was switched from the Grand Prix of Long Beach to Las Vegas for the first running of the Vegas Grand Prix. The Long Beach Grand Prix was the second race of the season, followed by the Grand Prix of Houston. Also, the entire schedule was held on road and street courses, and the events were timed races instead of races for a set number of laps. The full 2007 schedule was announced on Wednesday, September 27, 2006.
Champ Car officials confirmed that Panoz would be the sole chassis supplier for Champ Car for the three years beginning in 2007. The Panoz DP01 was built by sister company Élan Motorsport Technologies and was powered by a turbo-charged Cosworth engine. The new formula was reported to significantly lower the costs of competing in the series, which was in turn expected to increase car counts for the 2007 Champ Car season. However, 2007 entries did not exceeded those of 2006. Ford announced it would no longer badge the Cosworth engines. Mazda was confirmed as the new pace car and courtesy vehicle supplier.
ESPN announced a new, multiyear agreement that marked the return of the Champ Car World Series to the network in 2007.^[1]
On January 16, 2007, Champ Car announced their return to Europe, for the first time since 2003, with races scheduled for September 2, 2007 at the TT Circuit Assen in the Netherlands, and September 9, 2007 at the historic Zolder circuit in Belgium.^[2]
On January 23, 2007, Champ Car unveiled its new logo for the Champ Car World Series and the Atlantic Series. According to its website, it is a sleeker design with the new Panoz DP01 chassis on the right with an emphasis on a chicane-style layout, representing the street track racing that dominates Champ Car. There were no oval tracks on the calendar, with Milwaukee removed after the 2006 race. Taken from http://en.wikipedia.org/wiki/2007_Champ_Car_season.