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Thursday, April 29, 2021

This electric vehicle is on fire

Source:

" ... a Tesla hit a tree in Texas and burst into flames so persistent that a team of rescue workers using 30,000 gallons of water over four hours still couldn’t extinguish them.

The news story focused on whether the Tesla in question was self-driving when it crashed, killing two occupants.

But surely the battery that an entire fire department can’t put out using a swimming pool deserves some attention on the question of environmental as well as personal safety.

While ABC reported that the fire was so hard to put out “because the battery kept reigniting”, Car and Driver begged to differ. It was just a little smoulder really.

“The initial fire was quickly put out, he [Woodlands Township fire chief Palmer Buck said], but the vehicle smoldered and continued to ignite after that, which is why firefighters used a small-diameter hose to keep water running onto the area, to deal with any small flames that started.”

... “By the time even the smallest embers were finally out, many hours after the crash, somewhere between 25,000 and 30,000 gallons were used, Buck said.

This was only possible because the incident happened in a residential area with a hydrant nearby.

Had the crash happened on a highway, his department’s trucks, which carry between 500 and 1000 gallons, would not have been able to keep on lightly soaking the car for that much time.”

What, then, if there were to be a multi-car pileup in some spot where many cars happen to be traveling fast like, oh, a highway?

Of course on the plus side, EVs don’t really seem to have the range for highway travel.

... And even if they don’t catch fire, it’s becoming increasingly obvious that those batteries create a massive toxic waste problem when they wear out ... "