A leaking fuel bladder knocked Ed Carpenter out of the first practice session after just 17 laps around the 1.0-mile Phoenix oval. Carpenter's No. 20 Chevy developed an ethanol leak that revealed itself beneath the Verizon IndyCar Series team owner/driver's seat, which prompted chief mechanic Jeff Frederick and the rest of the crew to dismantle the car as the two-hour session continued. With the Dallara DW12 separated from the 2.2-liter twin-turbo V6 Chevy powerplant and associated drivetrain to gain access to the bladder, and two hours between the end of practice and the start of qualifying for Saturday night's race, the Ed Carpenter Racing team will continue working at a steady clip to...
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