Indycar manufacturers ratify newly-delayed 2023 hybrid regulations Indycar: revised, more powerful engines on tap in 2014 Honda and chevy commit to 2023 indycar hybrids
IndyCar: Revised, more powerful engines on tap in 2014 | RACER
Indycar tap revised powerful marshall pruett Indycar chevy v6 commit hybrids pmw enginelabs pushing 2023 indycar delayed regulations ratify formularapida

IndyCar manufacturers ratify newly-delayed 2023 hybrid regulations

Honda and Chevy commit to 2023 IndyCar hybrids | Professional

IndyCar: Revised, more powerful engines on tap in 2014 | RACER