INDIANAPOLIS — The NTT IndyCar Series remains committed to sustainability in the future, according to an update released by the series on Tuesday. IndyCar is also continuing its path toward the introduction of a hybrid engine platform for the 2024 race season, however it will not be the planned 2.4-liter powerplant. “The 2.2-liter IndyCar engines supplied by Honda and Chevrolet have provided the most competitive racing in the world. In addition, all IndyCar team transporters supporting the series, will continue with 100 percent Renewable Diesel as they journey from their race shops to all 2023 race venues. This scalable, sustainable and domestic source of natural rubber will be utilized in 2023 as the alternate race tire in all IndyCar Series street races. The 2023 NTT IndyCar Series season will begin Sunday, March 5 at the Firestone Grand Prix of St. Petersburg presented by RP Funding.

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