What happens if an electric car burns in a road tunnel or an underground car park?

How dangerous are burning electric cars? In the Hagerbach test tunnel in Switzerland, Empa researchers and tunnel safety expert Lars Derek Mellert set fire to battery cells of electric cars, analyzed the distribution of soot and smoke gases and the chemical residues in the extinguishing water. There’ s a loud bang, and then it starts: Read more about What happens if an electric car burns in a road tunnel or an underground car park?[…]