I'm guessing those strategies work well for phones but maybe not cars which are absolutely enormous amounts of battery and possibly wrapped around a tree at the

I'm guessing those strategies work well for phones but maybe not cars which are absolutely enormous amounts of battery and possibly wrapped around a tree at the time of the fire. Here's what FEMA has to say (https://www.usfa.fema.gov/training/coffee_break/061819.html https://www.usfa.fema.gov/training/coffee_break/061819.html) Secure a large, continuous and sustainable water supply — one or more fire hydrants or multiple water tenders. Use a large volume of water such as master stream, 2 1/2-inch or multiple 1 3/4-inch fire lines to suppress and cool the fire and the battery.