this post was submitted on 17 Jan 2025
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Technology
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"megawatt" is not a quantity of energy.
Also, are those battery fires more frequent // important than petrol ones ?
Petrol fires use oxygen from the air. They can be extinguished by removing the oxygen: covering it in firefighting foam, or displacing it with CO2, for example.
Batteries contain both their fuel and their oxidizer together in one case. You can't remove the oxygen. So long as they are hot enough, they keep burning, even if they are underwater. The only way to extinguish them is to remove the heat. Which is practically impossible.
Good point.
And so, i would expect large accidents in tunnels in next decades that will prompt laws & regulation to restrict electric vehicles from (access to) tunnels ...