IndyCar's next engine formula will make its debut in 2021. The definitive date has been set after an option to move the introduction forward one season to 2020 passed without being triggered. RACER has learned the option for a 2020 debut, which was agreed upon by Chevy and Honda, would have been put in motion if a third engine supplier had signed on earlier this year. With the deadline having recently expired, the Verizon IndyCar Series, it's current engine partners – and any new manufacturers that might arrive in the near future – will plan towards 2021 for outfitting the field with motors that conform to a new set of regulations. A tentative revealing of the 2021 engine rules could...
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