Curt Yanish, a firefighter in Sublette County, said because it could take 40,000 gallons of water to extinguish an EV car battery, many times it makes more sense to take the burning vehicle, move it to the side of the road and let it burn.

“An electric vehicle battery fire is not a traditional fire,” Curt Yanish, a volunteer firefighter with the Sublette County Unified Fire District, told Cowboy State Daily.

The batteries don’t need oxygen to burn, so there’s really no way to smother an EV battery fire.

https://cowboystatedaily.com/2023/07/02/electric-vehicle-fires-are-so-hard-to-put-out-its-often-best-to-let-them-burn/