The technology is amazing to me. It’s come so far since the days of Offenhauser, Andy Granatelli, Jim Hurtubise and Eddie Sachs - drivers I saw when we used to go to the 500.
This HPU thing is something else. I wonder how this tech will be migrated to the industry.
https://www.indycar.com/Fan-Info/INDYCAR-101/Car-Technology/Hybrid-Power-Unit