Viewing profile — paulgross
paulgross
HN member- Joined
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About paulgross
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Comment #29878909
Remora (YC W21) | carbon capture for semi-trucks | Remote US or Detroit, MI | remoracarbon.com Remora (YC W21) builds a device that captures a semi-truck’s carbon emissions directl…
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Comment #26432537
Absolutely. The main answer is going to be permanent geologic storage in depleted oil wells or saline aquifers, which is widely agreed to be one of the most scalable form of carbon…
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Comment #26425751
Absolutely — this technology would work very well for cargo ships, and after we make it work for semi trucks, we plan definitely to scale up to help decarbonize other hard-to-elect…
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Comment #26425732
There's a new technology that allows concrete producers to inject carbon dioxide into concrete. Two of the leading companies in this space are CarbonCure and Solidia.
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Comment #26421589
They aren't - concrete producers, chemical producers, and many other end users actually only need CO2 that's > 90% pure, a bar that we'll very easily clear.
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Comment #26421580
Many concrete producers are using technology invented by CarbonCure and Solidia to inject CO2 into concrete, which makes it stronger. It's one of the most permanent forms of seques…
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Comment #26420374
Totally. We'd genuinely love to be wrong - electrification is a great solution where it works! But our team has built battery electric and hydrogen fuel cell class 8 trucks, and ou…
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Comment #26419438
Thanks so much for that feedback. Definitely don't want to lean too heavily on Gates - we just decided to quote him to show that we're not the only ones who think electrification i…
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Comment #26419413
That's a great idea. We've definitely been thinking about partnering with the government, especially with the Biden admin.
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Comment #26418617
This is a super interesting idea. We hadn't thought of this application, but definitely one that we'll consider!
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Comment #26417480
The great thing about truck-sized units is that they can be modular, so we can easily mass produce them. The challenge with stationary units for power plants is that each one has t…
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Comment #26417357
Oops, citations [1] and [2] got mixed up. This is the correct link: https://apnews.com/article/04029bd1e0a94cd59ff9540a398c12d1
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Comment #26417342
Companies like CarbonCure and Solidia are doing new work on technology that allows concrete producers to inject CO2 into concrete, which makes the concrete stronger. It's really ex…
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Comment #26416759
CO2 is used in concrete, greenhouses, refrigeration, dry ice, chemicals, fertilizer, carbonating sodas, etc. - there's actually 230 million tons of demand for CO2 every year! So pl…
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Comment #26416733
Yes absolutely. We're not going to use our CO2 to extract more fossil fuels - we're only going to work with end users (like concrete producers) that permanently sequester it.
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Comment #26416641
Exactly!
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Comment #26416576
We wanted to start by building a low-cost, modular device that we can retrofit onto existing semi trucks, since that's much easier than retrofitting onto a cargo ship or other boat…
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Comment #26416551
This is a great thought — I have a similar response around the challenges with picking up the captured CO2 from such a decentralized network of capturing devices, but definitely so…
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Comment #26416539
Thanks so much!
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Comment #26416533
Thanks so much! You might also enjoy that the legal name of our company is Echeneidae Inc. :)
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Comment #26416526
Exactly!
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Comment #26416480
This is exactly right. For an average semi truck (6 mpg, 100,000 miles/year), if we capture 80% of its carbon emissions, we'll be capturing ~ 135 metric tons of carbon dioxide per …
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Comment #26415790
The tank in the video is just a component of the device overall. The device is 2 cubic meters total, including the storage tank. We'll be storing 600 miles worth of CO2 at a time, …