this post was submitted on 11 Oct 2023
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Cars itself are actually only a small part of climate change. The major part of it is form construction, planes, and electricity. We can fix electricity with sustainable energy, fixing planes is a lot harder as of now. Fixing construction seems impossible for now.
We'll run out of time before we we hit zero. We are already too fast to break before the cliff. All we can hope for is a soft landing, and we need everything for that. Even nuclear energy (go 100% on nuclear!)
From the EPA, on US emissions:
Driving accounts for a larger percentage of emissions than you'd think - something like 14% of emissions are gasoline alone.
Electric cars have about half the lifecycle emissions of gas cars, so that's equivalent to a ~7% reduction in emissions - more if the grid goes solar.
That said, replacing suburban sprawl with traditional denser streetcar suburbs like you see in the Netherlands would be a much bigger reduction in emissions.
Wdym, in terms of construction? Do you mean emissions from concrete, emissions from steel manufacture of rebar, environmental impacts of deforestation for wooden housing? As far as I understand it, there are a couple of thrown around solutions to that, like adobe, superadobe, rammed earth, cob, compressed earth blocks, and mixed concrete compressed earth blocks, going kind of order from what I've seen of hotter to colder climates, roughly. And none of those even really include the use of straight stone or wood, either. Surely, if you're moving away from cars, as is the MO of this sub, you need less huge bridges and shit, less superstructures, skyscrapers, and that also cuts down on the use of concrete and steel. Most of the reason why people don't like those materials is just as a result of higher labor costs, which is mostly as a result of them being unusual in the modern day, which means they'll remain unusual, because everything has to be minmaxxed to shit on this god damn rock.