this post was submitted on 23 Sep 2024
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Everyone knows that electric vehicles are supposed to be better for the planet than gas cars. That's the driving reason behind a global effort to transition toward batteries.

But what about the harms caused by mining for battery minerals? And coal-fired power plants for the electricity to charge the cars? And battery waste? Is it really true that EVs are better?

The answer is yes. But Americans are growing less convinced.

The net benefits of EVs have been frequently fact-checked, including by NPR. "No technology is perfect, but the electric vehicles are going to offer a significant benefit as compared to the internal combustion engine vehicles," Jessika Trancik, a professor at the Massachusetts Institute of Technology, told NPR this spring.

It's important to ask these questions about EVs' hidden costs, Trancik says. But they have been answered "exhaustively"


her word


and a widerange of organizations have confirmed that EVs still beat gas.

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[–] [email protected] 6 points 2 months ago (1 children)

I see trucks carrying butane tanks all the time

That's not the equivalent to battery replacements but to the power grid, which of course is yet another win for EV (since clearly distributing the energy source for vehicles over the power grid is safer and more environmentally friendly than needing huge trucks to carry it).

(I'd say battery replacements are closest to motor replacements in gas cars in terms of costs and effort. What about the environmental impact? -> That's why it's so costly. To mitigate environmental impact.)

[–] [email protected] -4 points 2 months ago (2 children)

Battery replacements really are not difficult, I'd seriously recommend not imagining obstacles where there are not.

Without special installations, charging takes several hours instead of a quicker battery swap (which you could take with you as extra weight). DC chargers cannot even be installed at how home due to their requirement. Swappable batteries are possible and would make EV cars adaptable to new and different battery technology, they are just not designed that way.

Some, like the XBus, talked about allowing it, and it is perfectly possible, it just isn't going to come out of traditional car manufacturers who had to be dragged to develop anything EV or manufacturers like Tesla who want to make range a subscription feature. Let's not even go into EV range extension trailer systems, which would be as effortless as swapping trailers.

[–] Zaderade 9 points 2 months ago (1 children)

So, just so you know, the average EV battery weighs 1000lbs, and some all the way up to 2000lbs in something like the EV hummer. (Unnecessary I know). The cost to have a battery in an EV replaced currently sits around $5000 to $15000 off of warranty. So there are definitely obstacles. Along with letting the general public fry themselves trying to hook up a 400v battery. You're not dealing with AA batteries. Battery technology is far away from something able to swap out yourself with the ease you may be thinking of.

[–] [email protected] 4 points 2 months ago (1 children)

This is already the present; we have power tools that already swap batteries on the fly. The problem is more complex as you add batteries and charge, but not insurmountable. I see the first application in truck fleets.

[–] [email protected] 3 points 2 months ago

The problem is that in those cases it is still a proprietary market.