May 29th 2025
100-percent reliability for Indy 500 hybrids
The IndyCar Series’ first running of the Indianapolis 500 with hybrid engines was a remarkable success for all of the partners involved in making the energy recovery systems fitted to the field of 33 cars.
Reliability with the supercapacitor-based units using technology sourced from Skeleton and Empel, which has been packaged into spec systems for IndyCar by its engine partners at Chevrolet and Honda, has wavered since the 60hp devices were introduce in July of 2024. But in the first appearance of Chevy’s motor generator units and Honda’s energy storage systems at the 500-mile race, IndyCar’s hybrid powertrains recorded 100-percent reliability.
“I’ve confirmed we had zero hybrid issues in the race,” Mark Sibla, IndyCar’s Sr. VP of competition and operations, told RACER. “It's huge. The credit just goes to all the folks you know behind the scenes, whether that's Skeleton and Empel and (Chevy IndyCar engine builder) Ilmor and HRC (Honda Racing Corporation US), and our team as well.
“It’s a new technology that's been introduced, and there's been moments where we've had to make tweaks to that to ensure that we had a great Indy 500 and that it was a positive influence, and that there weren't issues, or it didn't change people's days, and that's what we walked away with.”
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