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porphyra commented on Ford kills the All-Electric F-150   wired.com/story/ford-kill... · Posted by u/sacred-rat
bdcs · a day ago
>Oh, an EREV is fancy way to say "hybrid" ok

Kind of. EREVs are what locomotives have been doing for a century (and to a lesser extent barges), which is called diesel-electric in that field. I agree the terminology is lacking, but EREVs are quite compelling (and their high market share in China supports consumer demand).

Hybrid: * ICE must run during regular operation (except for ~very short distances at ~very slow speeds) -- this increases operational costs (oil changes, economy, engine designed for torque and wide RPM range). * Complex drivetrain with wheels moved by electric motors and ICE, axles, etc. * Generally 10-40 miles of EV range

EREV: * Basically an EV with a short range, and whenever you want to charge the battery on the go (or use the waste heat from the ICE) it can use an efficient (Atkinson cycle) engine to do so. (Though american EREVs have used poorly suited engines for parts availability and enormous towing numbers) * Generally 50-200 miles of EV range * Think "EV for daily commute; ICE for road trips (and heating)"

IMO EREVs would've been a better development path than hybrids or pure EVs.[0] Immediately lower TCO in various interest rate environments via highly-flexible battery sizes, no cold or range anxiety issues, technically simple drive train and BTMS.

[0] I mean the Prius made a lot of technical strides given the battery technology/costs and familiarity the industry had with ICE at time. Tesla went full EV which is a very optimistic approach, and works well enough if you stick around the charging network, but the batteries are still expensive and heavy compared to a small ICE + tank.

porphyra · 20 hours ago
EREV is different from diesel-electric in that the EREV has a large battery whereas the diesel-electric locomotive does not. But the "ICE engine drives a generator which drives a motor" philosophy is similar in spirit.
porphyra commented on Home Depot GitHub token exposed for a year, granted access to internal systems   techcrunch.com/2025/12/12... · Posted by u/kernelrocks
VTimofeenko · 4 days ago
Given the absolute state of their website on mobile it's hardly surprising. It's faster to find an employee and ask them where an item is at instead of waiting for the search to finish, see that it the "current store" now points to a random location somewhere in a different state, pick the correct store and re-do the search
porphyra · 4 days ago
I feel like the home depot website is fine. It's a lot better than most other shops, I've had a good experience finding the aisle and location of items, and it's generally accurate with the amount in stock at each location. If you didn't enable precise location or have bad cell signal then that is hardly the fault of the website.
porphyra commented on Rivian Unveils Custom Silicon, R2 Lidar Roadmap, and Universal Hands Free   riviantrackr.com/news/riv... · Posted by u/doctoboggan
orliesaurus · 5 days ago
Watching this unfold... I keep thinking about the supply chain... how many rare minerals go into this custom silicon?

ALSO what happens when the first generation hits end-of-life... will there be a clear path to recycling? I want to believe these platforms will last more than a subscription cycle...

BUT I guess we won't know until we see a teardown...

porphyra · 5 days ago
typical automotive 905 nm lidars are just CMOS chips similar to cameras and regular computer chips
porphyra commented on Rivian Unveils Custom Silicon, R2 Lidar Roadmap, and Universal Hands Free   riviantrackr.com/news/riv... · Posted by u/doctoboggan
porphyra · 5 days ago
Rivians have been spotted with giant Velodyne VLS-128 "Alpha Puck"s since several years ago [1]. But from last I checked, Rivian's ADAS is still struggling with ping-ponging in lanes on curved stretches, and it only works on a small set of pre-mapped highways. Highly doubtful that "universal hands free" is coming.

[1] https://www.reddit.com/r/SelfDrivingCars/comments/mqijd2/riv...

porphyra commented on The general who refused to crush Tiananmen's protesters   economist.com/china/2025/... · Posted by u/marojejian
ks2048 · 10 days ago
Salute to this guy, Xu Qinxian.

Funny how (possibly worse) anti-democratic massacres done by US allies (and much more recently) don't get continuous coverage US/Western/Business/Tech press.

https://en.wikipedia.org/wiki/Rabaa_massacre

porphyra · 10 days ago
Every time one points out western hypocrisy, one gets accused of "whataboutism".
porphyra commented on Testing shows automotive glassbreakers can't break modern automotive glass   core77.com/posts/138925/T... · Posted by u/surprisetalk
porphyra · 17 days ago
oh just get Franz von Holzhausen to throw a ball bearing at it
porphyra commented on The Tesla Model Y Just Scored the Worst Reliability Rating in a Decade   autoblog.com/news/the-bes... · Posted by u/whynotmaybe
iambateman · 20 days ago
I’m confused from the report about how Volkswagen and Mercedes beat Toyota in reliability when my perception is that it’s not even close.

Are the Germans biasing toward their companies? Or am I underrating VW’s quality?

porphyra · 20 days ago
Volkswagens get serviced frequently.

Teslas never get serviced, and they don't really use their brakes either due to regenerative braking, so stuff like "rust on brakes" counts as a strike against their "reliability" in this study even though it's harmless.

In reality, owning a Tesla is way more painless than owning a VW.

porphyra commented on Compressed filesystems à la language models   grohan.co/2025/11/25/llmf... · Posted by u/grohan
porphyra · 20 days ago
Reminds me of ts_zip by Fabrice Bellard: https://bellard.org/ts_zip/
porphyra commented on Unifying our mobile and desktop domains   techblog.wikimedia.org/20... · Posted by u/todsacerdoti
sfRattan · 21 days ago
There was a period I can recall, maybe 2010 to 2020 most prominently, when a subset of HN readers strongly preferred the mobile Wikipedia site, even on desktop, and would always use ".m" linking to Wikipedia articles in comments threads. This also seemed to happen in reddit threads during that decade.

I sort of remember some of the older MediaWiki desktop themes looking worse than the mobile theme, but it was never enough for me personally to try always using the mobile site at the time. I do still strongly prefer old.reddit.com... For as long as that portal continues to exist.

porphyra · 21 days ago
Yeah, in the olden days, there was no max-width for desktop wikipedia, so the readability was not good.

u/porphyra

KarmaCake day3589October 19, 2020View Original