cross-posted from: https://lemmy.ca/post/72601186
Creator credit: https://tiktok.com/@twonkcomics
this post was submitted on 19 Oct 2026
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Heard it was just compressed air?
it's about plastic pollution not carbon
But like, still, yeah... "pLaStIc StRaWs"
It is just compressed air, though it's an insane amount of energy stored in that form. The number that will actually have that function will be so small that it probably doesn't matter, though the emissions of car-centric transport are absolutely crazy. give me more trains!
Sorry, best we can do is reinvent a bus for the 50th time and make it get stuck at a red light.
I'm curious about the actual energy cost of the compressors tbh. How much battery range will go to car RCS thrusters?
Compressed air is one of the most expensive ways of storing energy.
Scott Manley estimated it at around 45kWh, so about 2/3 of a charge. Not that much energy in the grand scheme of things, but not anywhere near practical either.
https://www.youtube.com/watch?v=ex4Qg-gkLNg&t=530
By car battery standards, an absurdly large amount of energy. And it's released in a pretty inefficient manner. So not a good plan for EV range.
I don't think you could reasonably use them on the road without harming people around you either (though Musk's target audience may not be very concerned about that aspect).
I think it works for track usage / showing off to your wealthy friends. I have no clue how the flying version would work control wise, as you'd need to plan the entire flight ahead of time so it could verify it's possible (before you take off down the Grand Canyon and run out of gas a few seconds later). Probably one of the reasons it's not being sold to everyone.
Sounds reasonable to fill while charging, and It would be interesting for cliff falling
It's a supercar, being practical isn't the point.
EVERYTHING is better with more trains :)
They're like pirates
Tesla and other EV companies tend to have a bunch of carbon credits earned (from being EV companies) which they sell to polluters for the right to pollute.
It earns EV companies a lot of money.
There's this stupid incentive in the Netherlands now where people with an EV charger can get ERE certificates for every kWh they charge, which they can sell for money to the government (I believe). Oil companies then buy these certificates so they can pretend to be green.
And of course everyone with a charger wants this now (you do need a charger with certified meter), because for them it's free money.
Don't forget that oil companies go green only for oil production, the oil they produce is not counted.
The attached bottle caps are pretty stupid, but people who get unreasonably angry about it are even worse.
If the things piss people off so much, it barely take any effort to just pull them the fuck off the bottle.
Attached caps are there for a purpose. They work. So no, they are not stupid.
What is stupid is that comic which is completely misrepresenting what those attached caps are about to create a false hypocrisy to make fun of (about the caps probably even more than about the Tech bros).
It is strange, to see how it is taking up the same anti-EU propaganda usually spread by Tech bros. The attached caps solve a problem and that is that caps are one of the largest trash types on beaches and in forests. They are such a big issue because due to the small size they are also laboursome to clean. Attached caps considerably reduce the number of separated caps and also of trash as a whole ending up there. They don't really cost more, don't need more resources and you can use them just as easily, if you are not completely incapable of adapting to change on a most fundamental level.
And don't forget, an animal is much less likely to eat a whole bottle with the cap attached than they are eating a bottle cap by mistake.
It's just a win all around and the people who get angry about them are just selfish assholes.
It is really just the new banana myth really. Except that one could question trade quality standards maybe a bit more (but still have a hard time to argue how 27 different standards would be better than just one) but the caps really have just a lot of big advantages and basically no meaningful disadvantage. I mean, for those really phobic of attached caps, they can be easily removed if you are really into that.
What's the banana myth?
https://en.wikipedia.org/wiki/Euromyth#Straight_bananas
The purpose was to reduce plastic pollution. According to latest data, across entire EU beverage industry, the plastic usage for attached caps is around 200,000 tonnes, equaling to around 381 million kg CO2 increase and that's not even taking in mind how much re-fitting and throwing out perfectly good manufacturing machines costs.
Initially I was supportive of this, but after experts around the EU started coming out about how bad of an idea this actually was.. I don't know man.
Your comment on CO2 makes no sense. First you are talking about the amount of plastic used for caps (without a reference to before) and then you are talking about a "CO2 increase". Caps do not appear to be larger or heavier than before but what do I know.
If I am not mistaken, the transition period was 5 years. So even for the worst case, no brand new mold had to be discarded because it all came so sudden. I would not be surprised if many had at least one change already during the transition time even without that regulation. Also tooling can be sold or transferred as well, if it is really still in such a good shape. Now, would have been a longer transition period, maybe 10 year, been better? Maybe.
Your comment sounds like a very biased view of the industry that understandably wasn't enthusiastic about it, as the only one benefiting from it was the environment, which doesn't do anything for them, right?
You could have spent 10 seconds googling this before typing all that. They literally do.
You do know manufacturing is a major contributor to CO2, right? ....right?
https://www.politico.eu/sponsored-content/more-plastic-more-carbon-more-cost-why-attached-bottle-caps-are-not-the-way-to-fix-waste/
I don't think posting a link to a sponsored article does help your argument.
Sponsored by..UNESDA. Literally the same association that fought for this in the first place. This helps my argument immensely.
If they fought for this in the first place then why did they sponsor an article discrediting themselves?
Not everything works like Trump being unable to admit your mistakes. These organizations are commonly interested in improving EU, not purely selfish motives.
I have no idea where you have the idea from that UNESDA was for tethered caps, at any point. You linked to an ad from UNESDA from before 2020 and quoted a contract PWC study from that time. All against it. Many of the assumptions in that study have become either obsolete or were shown to be wrong.
"sponosored content" Do you have a source for your claims or only an ad?
Of course the beverage industry did not like it. It was new regulation while the only one benefitting being the environment, with less hard to ckean waste. That does nothing to raise their profits.
The comment made no sense not because it is unknown that production causes CO2 emmissions but because you threw in a single weight number without any reference and then drew from that a conclusion about increased CO2 emissions. The ad and its delivered to order contract study actually writes it more cohesively, interestingly. What I find fascinating is that you went for the max value instead if quoting the range in that ad. Apperently you considered the numbers in the ad not convincing enough.
Sponsored by UNESDA, the same association that fought for this in the first place. I picked the max value because it's 9 months old data. Surely by now it's even higher than the max.
Why are European associations and organizations writing such articles "an ad"? What exactly are they even advertising? That they themselves were wrong?
What do you mean by "faught for this"? UNESDA paid for a contract study against tethered caps so it is clearly not impartial on this, nor is the study.
The report does not specify what this amount of extra plastic is supposed to be. A yearly rate? In any case, just taking randomly the larger number because the transition was 9 months ago is kindergarten math.
The UNESDA isn't writing such an ad, it was buying that ad already over 6 years ago, in order to lobby against the law for tethered caps.
Bottle caps being attached is about the bottle and the cap being recycled/landfilled together instead of caps ending up in a different location. This works well with the return money you get for recycling bottles so everything gets disposed properly.
The general idea is that plastic in the environment is more of a problem than pollution from producing the little extra per bottle. Microplastics from plastics that don't make it to the landfill are becoming a big issue and the EU is working on it.
Refitting machines to produce them is also not a big issue since that's a one-time cost for not that many machines.
Fair points, but let's say we use all this political effort and resources to fix plastic recycling itself and collection of trash.
Where do you see more positive effects?
I dunno, I actually quite like them when I'm on the go and order a bottled drink, no way to lose the cap :)
Honestly when I first encountered one I hadn't heard of the regulatory reasons for it and I just thought, "oh, neat". I wonder how many people who complain about them were prevented from forming their own opinions by being told to hate it first.
That's what I wonder about many many things these days.
I usually stick to water/tea/coffee, so when I buy something, I'm probably treating myself to a milkshake. I say this because it's only a problem with thicker liquids and drinks that are shaken, but no matter what, that shit is dripping from the lid on my face or shirt, unless I drink in the most awkward angle or enact some uncouth acts with the lid first.
To be fair, the caps do piss me off when they mess up me pouring a drink for the 100th time. But yeah, I just pull them off. I never threw them out separately anyway (who tf would do that???).
Enough people to warrant the regulation apparently.