The NTT IndyCar Series recently completed its first and final major test of its hybrid engine and energy recovery system before the ERS goes into mass production for 2024, and RACER's Marshall Pruett was there to document it. Our first video is a simple audio celebration which answers the long-held question of what IndyCar's new hybrids will sound like when they debut next year. #indycar #hybrid #chevy #chevrolet #honda #chipganassiracing #teampenske #penske #sebring #turbo
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