The 1.7-mile temporary circuit at NRG Park hosted doubleheader races in each of the past two seasons.
Josef Newgarden continue to showcase their talent among fellow IndyCar competitors.
Former champion on track for best season since return to IndyCar.
We had a surprise winner in Motorsport.com's poll asking what your favorite form of racing is.
Justin Wilson will return to Auto Club Speedway just over 300 days since suffering a pelvis-breaking injury at the track.
Will Power and Helio Castroneves are heading to Fontana to decide who will be the 2014 IndyCar Champion.
The 2014-15 offseason on-track testing period opens Sept. 16
Will Power led the field to the green flag, Scott Dixon took the checkered flag, and a lot happened in between.
Scott Dixon has won for the 35th time in his IndyCar career.
Will Power's closest title rival encountered issues quickly at Sonoma.
CFH Racing has one-year contract with an option for two.
Sonoma Raceway says "Racing will continue as planned".
Memo Gidley's recovery is going fairly well.
Chevy IndyCar V6 Program makes it three in a row.
Little team ready to run at Sonoma.
Power secured his third win of 2014 earlier today.
Two single-car operations are joining forces in IndyCar.