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Electric cars: The equivalent of switching from binge drinking whiskey to binge drinking wine.
(lemmy.ml)
this post was submitted on 30 Dec 2023
563 points (78.0% liked)
Fuck Cars
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Solution to what though? Emissions are reduced but not eliminated: when accounting for greenhouse gases emitted during production, EVs start outperforming traditional cars only after 5+ years of use (depending on the type of car). And other factors like tyre dust and road maintenance (due to EVs' higher weight) or resources needed to replace/recycle old batteries are not even included in that balance.
EVs might still be a net positive when compared with traditional cars, but both pale in comparison to public transport and infrastructure oriented towards bikes and pedestrians.
That’s really only because most of our electricity is still produced through fossil fuels. As we move to renewables, that equation will shift rapidly toward net positive much before 5 years. And that’s not accounting for any technological advances (like sodium ion batteries) that happen in that time.
The 5 year figure is from a German study and is based on the German energy mix (which is indeed quite dirty). So yeah, that number will hopefully decrease. But even with that, the "up-front" emissions in EV production are a major issue that is tough to solve and rarely made transparent by EV manufacturers.
What's the upfront emission of EV production that makes it that much of a detriment compared to ICE production?
The main source is battery production and related to the mining and refinement of their raw materials (source, source). The exact emissions are hard to quantify. That being said, the lifetime emissions of battery EVs are still significantly lower, so it's still a net benefit. For a bigger picture, you can check the references here and here.
US energy is 40% renewable already. Solar is the fastest growing energy segment.
In my county, our electricity is 2/3 sourced from hydropower, so an EV has significant impact on emissions relative to an ICE car.