Austrian fire truck manufacturer Rosenbaum has developed a new high-pressure nozzle to solve the problem of expensive EV battery fire accidents. The process now involves dousing the electric car with water for hours, creating toxic runoff. The new nozzle pierces the battery pack housing, putting out the burning cells directly.
https://www.notebookcheck.net/Stubborn-battery-flames-in-electric-car-accidents-solved-by-a-new-firefighting-tool.580120.0.html
BYD blade battery is a new EV battery technology that is hard to catch on fire. BYD blade battery makes firefighting devices like this redundant.