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Are there any green alternatives to asphalt in development?
(sh.itjust.works)
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this post was submitted on 09 Oct 2023
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Asklemmy
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Roads wear. Plastic dust getting spread everywhere is probably a bad thing.
That's true, but AFAIK asphalt roads don't tend to produce a fine dust (rather, the tires and mufflers do), so there should be some kind of plastic resin that would wear a similar way.
Then we’ve got big chunks of plastic everywhere.
Trouble is that kind of gradual wear pretty much guarantees the material is coming off in tiny chunks that are basically dust.
Hmm. Usually when I see roads break, it's more of a disintegration into chunks situation. I really though I watched a video where they vacuumed up dust from alongside a road.
If microplastics are going to be made, that is kind of an issue. Maybe it's still worth it, or maybe we have to pick an alternative. I guess worst case we could just go to all gravel roads, and it would be slow but you would get there.
That's a great solution actually, you should de-emphasize cars and put in more trains and infrastructure for local individualized personal vehicles like bikes, ebikes, electric scooters, and even pedestrians.
Aren't bike paths usually asphalt too? They definitely are where I live.
Rail would work I guess, and mass transit is better than personal cars for any number of reasons, but we'd have to put in a lot of rail and abandon all the significant road infrastructure built up. I've mostly stanned buses in the past for that reason.
They can be anything, even asphalt. Concrete, gravel, dirt.
Bikes won't wear asphalt or anything else as fast as a high speed multi ton vehicle will though.