Five years after they were announced, IndyCar’s hybrid powertrains debuted Sunday. Will the tech help the series bring in another engine supplier?
Will IndyCar’s new hybrids attract more manufacturers?
![](https://a.espncdn.com/photo/2024/0709/r1356477_1296x729_16-9.jpg)
Five years after they were announced, IndyCar’s hybrid powertrains debuted Sunday. Will the tech help the series bring in another engine supplier?