this post was submitted on 21 Jan 2024
126 points (81.5% liked)

Asklemmy

44276 readers
624 users here now

A loosely moderated place to ask open-ended questions

Search asklemmy ๐Ÿ”

If your post meets the following criteria, it's welcome here!

  1. Open-ended question
  2. Not offensive: at this point, we do not have the bandwidth to moderate overtly political discussions. Assume best intent and be excellent to each other.
  3. Not regarding using or support for Lemmy: context, see the list of support communities and tools for finding communities below
  4. Not ad nauseam inducing: please make sure it is a question that would be new to most members
  5. An actual topic of discussion

Looking for support?

Looking for a community?

~Icon~ ~by~ ~@Double_[email protected]~

founded 5 years ago
MODERATORS
 

I've seen a lot of posts here on Lemmy, specifically in the "fuck cars" communities as to how Electric Vehicles do pretty much nothing for the Climate, but I continue to see Climate activists everywhere try pushing so, so hard for Electric Vehicles.

Are they actually beneficial to the planet other than limiting exhaust, or is that it? or maybe exhaust is a way bigger problem?

(page 4) 50 comments
sorted by: hot top controversial new old
[โ€“] [email protected] 1 points 11 months ago

Short term EVs aren't making a lot of difference due to the higher energy costs of manufacturing them. Long term cars are just a terrible transportation method, especially within cities, and we really need alternatives so that we can get rid of most of them.

On the other hand as renewable energy sources take over the grid the energy costs of manufacturing EVs will be less relevant to climate change, and it's just going to be faster to switch power plants and new car manufacturing over than it will be to rebuild the entire transportation infrastructure on all of Earth, especially North America. That time difference will have a large effect on how bad things will get by the end of this century. EVs are dumb, but also a necessary stopgap.

[โ€“] [email protected] 0 points 11 months ago (1 children)

What is the carbon footprint, particularly of the batteries, during both manufacture and disposal. How does that compare to internal combustion engines?

load more comments (1 replies)
[โ€“] [email protected] -1 points 11 months ago (5 children)

it's actually a pretty simple to figure out carbon footprint for gas powered cars. Gasoline is just a bunch of carbon atoms loosely linked together. You add heat, you add oxygen, and the carbon molecule bonds break in favor of bonding with oxygen to form carbon dioxide/monoxide, and release energy in the process. That's how combustion works. None of the carbon is destroyed in the process, all of the gasoline just gets converted into a gas; a greenhouse gas. Its why cars are the largest source of emissions in the US.

All of that is cut in an EV. With renewable energy sources there doesnt have to be any greenhouse emissions with EV's.

[โ€“] [email protected] -1 points 11 months ago

Gasoline is only part of the picture, however. For one, the chemical reaction by which concrete cures releases CO~2~, and concrete is responsible for 4-8% of emissions globally. Unless we're going to drive those new-fangled EVs on old-fashioned dirt roads, they account for significant greenhouse gases.

load more comments (4 replies)
[โ€“] [email protected] -1 points 11 months ago* (last edited 11 months ago) (1 children)

We rape Africa for those metals the in a similar way we've been raping the middle east for oil. I guarantee once the US starts mandating EVs and the majority start to transition over there will suddenly be some reason we need to have a vested military presence in Africa, with the possibility of wars centered around countries with these metals that we need.

It's better for air quality and would do a shitload towards giving us some spare time to process climate change, but they come with their own baggage of bullshit in terms of environmental damage.

load more comments (1 replies)
[โ€“] [email protected] -1 points 11 months ago

Exhaust and noise are still a problem. It won't do much on a climate level, but even if we manage to reduce car usage having the remaining cars be electric is useful. Both noise pollution and particulate pollution have negative effects on human health.

Maybe it's just my bubble but most climate activists I see are primarily pushing for renewable electricity generation, and consumption reduction across the board in all aspects of life. They are usually also against cars generally but it's a secondary subject.

[โ€“] [email protected] -2 points 11 months ago

It's a diversion tactic. The vast majority of greenhouse emissions come from large companies.

They want us to argue about irrelevancies amongst ourselves to distract from that fact.

Are EVs a net positive for the environment? Maybe. But that's like asking an atomic bomb survivor what they were wearing that day.

load more comments
view more: โ€น prev next โ€บ