Here's another article from IMSA about the hybrid system.
https://www.imsa.com/news/2022/04/06...d-power-works/
One quote in the article indicates that electric alone is possible:
Quote:
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Watching a 2023 WeatherTech Championship race trackside or on television, you probably won’t notice the new hybrid system in action – unless you catch a glimpse of an LMDh car silently gliding through the pits or the paddock on electric power alone.
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