
IndyCar's Hybrid Assist Unit testing has been making significant progress as the series gears up for its implementation later this season. Originally scheduled to debut at the Firestone Grand Prix of St. Petersburg, the decision was made to delay its introduction until after the 108th Indianapolis 500 to ensure proper quality control testing.
During a recent private testing session at Homestead-Miami Speedway, 12 drivers from top teams such as Andretti Global, Arrow McLaren, Chip Ganassi Racing, and Team Penske completed a total of 1,202 laps, covering 2,656 miles without any issues. This testing showcased the reliability and performance gains of the hybrid system, providing drivers with an added element of decision-making and control inside the car.