Lisa Davidson, IndyCar Correspondent
With three races to go entering this weekend's GoPro Indy Grand Prix of Sonoma, there are 15 drivers still mathematically eligible for the IZOD IndyCar Series championship.
Lotus will be able to modify their engines to bring them within the 2 1/2 percent window for power.
Indy Car will not replace failed China event in 2012, opting to run a 15-race schedule.
For the first time the series uses heat races to determine starting grid.
Nancy Knapp Schilke