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] 7 points 2 months ago (1 children)

Or maybe 13,500 miles. But what's a few zeros between friends?

[–] [email protected] -5 points 2 months ago* (last edited 2 months ago) (1 children)

Argonne assumes the batteries are produced with renewables AND they assume EVs are going to be charged over the day, when most of the renewable energy is "present". Most BEVs are charged over night, where only Hydro or Geothermal makes power. Meaning, the Co2 footprint grows exponentially, because at night most of the power is made with fossile fuels - a kWh easily can have a rucksack of over 700 gr/kWh of Co2. But hey, what's a few assumptions here or there in favour of either side, huh? Oh and go talk to China about them producing the batteries "environment friendly". Just because something uses less Co2 doesn't mean it's cleaner. A few ppm more Co2 in the Atmosphere is bad for the Climate, sure, but a few ppm more Mercury in natural habitats, rivers and lakes? Pff, who cares!

A recent study from the Association of German Engineers did factor in that most EVs are charged over night - even after 130k Miles (~ 200k km), a Golf TDI has roughly a 33 Ton Co2 rucksack, where an EV produced with renewables (ID.3) had 36 Tons.

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

"Most BEVs are charged over night, where only Hydro or Geothermal makes power"

Maybe in Iceland; anywhere with wind and nuclear power, this really is not the case.

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

And in most areas, how much share have nuclear and wind? Somewhere around 30-40% combined on average

[–] [email protected] 0 points 2 months ago

About 30% in Europe/US; half that in China.

Electricity consumption drops sharply during the night - when wind power typically peaks. There are power companies that offer substantially cheaper rates at night for charging EVs for this very reason.