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buildfocusyesterday at 9:35 PM1 replyview on HN

> But it's still not at the point where it's cleaner per capita than the US and it's still quite far from that.

China has significantly lower co2 emitted per capita than the US already. Per kWh no, but that's a different thing. AFAICT China's renewable growth is now outpacing demand growth significantly though, so that per-capita gap will widen, and the per kWh is steadily improving as well, and faster than the US.

For some concrete numbers: China added 400GW of renewables in 2025 vs 78 GW of coal generation. Reduced CO2 intensity of power grid by 5% vs US 3% drop. In 2025 US total power emissions went up 5% (for many reasons, but arguably high gas prices and lots of data centres) while China total power emissions dropped 1.5%

All the details make China's path look much cleaner than the US's.


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Karrot_Kreamyesterday at 10:51 PM

> China has significantly lower co2 emitted per capita than the US already. Per kWh no, but that's a different thing.

Sorry I meant per kWh not per capita.

I don't disagree that China's path looks cleaner than the US right now, but also think "US decline" is viral hyperbole. It's the kind of thing people use on Twitter to get everyone to start discussing something. It's the kind of thing people say on Reddit all the time to add a doomer emotional valence on their comment. I want HN to be better than that but it's obviously not.

The US has been losing in the automotive market for decades now, with Japanese brands hitting 25% penetration in the '80s, the Korean brands starting in the '90s, and by 2020 Asian brands making up roughly 45% of the market. US automakers are staying afloat in the CAFE-exempt space of light trucks.

It's true that this administration has been hostile to renewables, notably shutting down offshore wind. But I'm not sure what this has to do with "decline". In 2.5 years we'll have a different admin. There's already pressure to electrify cars with high gas prices thanks to the Hormuz crisis.

Where's the "decline" bit? What does it mean to "decline"? I maintain that it's largely bait to fish for upvotes and engagement.

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