So this is specifically about Toyota's hybrid engines (which is very different from e.g. Honda's engine, not to mention plug-in hybrids or "mild hybrids"). The explanation of the mechanics starts around the 36 minute mark.
I always found most explanations of Toyota's Power Split Device too abstract, until I found this page where you can play with the sliders to see how the power is actually split between the ICE and the MG1/MG2 electric generators: https://eahart.com/prius/psd/
Fun story: I used to own a Prius, and it turns out they expose the speeds and torque values of MG1, MG2, and the engine independently on the OBDII port.
What this means it that you can set up an app like Torque[0] and add widgets that show you how fast each of the motors are spinning, live, and watch what happens when e.g. the engine starts: MG1 and MG2 both torque the engine forward, MG2 just enough to stop the car from attempting to roll backward in response to MG1's torque through the planetary gearset, and then MG1 spins up with the engine and then stops torquing it once the engine reaches idle.
Battery charging while idling is similar: MG1 turns itself into a generator, fighting the engine and generating electricity in the process. The throttle opens considerably, as if you'd pressed the accelerator halfway to the floor, but MG1 and the engine work together to keep the engine's RPM around ~1,200 so you'd never know it - it's as if you're driving up a really steep hill that stops you from accelerating even though you have the gas pressed halfway down. And then MG2 torques backward to stop the car from rolling forward any more than the Prius's normal "simulate a normal gas car's tendency to roll forward when the user lets their foot off the brake" would have it do.
It was fascinating to watch, and I kind of regret not building an app similar to the parent comment's link that showed what my car was doing in real time with the gears drawn out like that.
The Prius model is basically how the new Honda hybrid power train works. (I'm gearing up to buy a new Civic once my insurance gets me my payout.) It has a two motor system (traction and generator) coupled to an Atkinson cycle engine with a planetary gearbox.
However, it's a 2L engine and the whole thing puts down 200hp, netting acceleration that beats a Civic SI and ~50 miles per gallon.
They first trialed it in Japan and Europe as the Civic EHEV a few years ago, and as of 2025 it has replaced the Sport and Sport Touring trims' former turbocharged 1.5L power train.
Hmm - I’m not an expert on this, but I thought the e:HEV system was quite different.
More like an engine connected to a single very long gear (like top gear), to avoid converting from physical motion to electricity and back to physical motion, at motorway speeds. And also a clutch, to disconnect that system completely, in which case the combustion engine can drive a generator, and send electricity to another motor driving the wheels. Plus there’s a battery involved, and the motors can assist or regen when the physical drivetrain is connected.
It’s all very cool, and I expect even more efficient than the Toyota system on the open road, but a little less during city driving. I can go into why I think that, but I’m not even sure I’m right :)
Edit: I just wanted to add, that Civic with this drivetrain always seemed like a good choice.
I’ve tried to test-drive a Honda with this setup twice. Once the dealer misunderstood me and I drove some boring mild-hybrid CVT Insight or something. I would have even been happy trying out the dual-clutch hybrid they were using in some models then. I’d already driven their mild hybrid a few times. It got good mileage, but not as good as Toyota’s system, and didn’t have anything else going for it. The second time I hadn’t realised that they didn’t even bring this Civic into the country. We drove the regular CVT anyway, but it was a huge disappointment, knowing other countries had the e:HEV.
2nd edit: I incorrectly called the combustion engine “the motor”, which is something I do all the time, but need to avoid when talking about hybrids
Note that Ford's plugin hybrids (using the same 2.5L engine as the full hybrids) also use the same technology (due to them having a cooperation and patent sharing agreement with Toyota) though they do differ a tiny bit due to the engine.
The tool is interesting though the Ford system can run independently on MG2/MG1 alone up to about 130kph (~80mph) depending on requested torque and load.
Only thing Ford screwed up is the battery (or Samsung since this time it's the cells).
> The cities' water usage is to keep people alive with basically mandatory things, like hygiene, and drinking
Almost half of city water usage is for residential landscape irrigation, mostly spraying lawns, which is not exactly mandatory or a basic necessity. Landscape irrigation uses about 3.5 million acre-feet / year, which is 1 to 2 order of magnitude higher than the estimated AI data center usage.
> Why do you think an employer would waste resources like that?
The parent post specifically mentioned large organizations, where the "employer" is not some person who hires and pays employees from their own funds. Hiring and personel management is done by middle managers with their own interests and incentives, which can differ substantially from those of the owners or capital providers.
Android kernel has the relevant kernel parameters disabled. It is entirely possible to run containers directly on android, but it requires enabled the relevant parameter (iirc no recompilation need, just a cmdline change). But this of course requires root.
You mean his terrible financial decisions of founding a company in 2004 that IPO at 104B within eight years, and now 14 years on is valued at 1.6T? Are we looking different track records?
If I could set up a voice assistant that actually verifies commands, instead of assuming it heard everything correctly 100% of the time, it might even be useful.
The problem is people believe it is. People believe the advertisement industry narrative they are force to show the insane screens and have to make it difficult. Yet they are not, and a reject all must be as easy as accept all (and "legitimate reasons" do not exist, they are either allowed uses and you don't have to ask or they are not).
How is that useless? You adding the warning tells me everything I need to know.
Either you generated it with AI, in which case I can happily skip it, or you _don't know_ if AI was used, in which case you clearly don't care about what you produce, and I can skip it.
The only concern then is people who use AI and don't apply this warning, but given how easy it is to identify AI generated materials you just have to have a good '1-strike' rule and be judicious with the ban hammer.
Because you have to be able to prove it wasn't AI when the law is tested, and keeping records and proof you didn't use AI is going to be really difficult, if at all possible. For little people having fun, unless you poke the wrong bear, it won't matter. But for companies who are constantly the target of lawsuits, expect there to be a new field of unlabeled AI trolling comparable to patent trolling or similar.
We already see this with the California label, it get's applied to things that don't cause cancer because putting the label on is much cheaper than going through to the process to prove that some random thing doesn't cause cancer.
If the government showed up and claimed your comment was AI generated and you had to prove otherwise, how would you?
"One regulation was kinda bad, so we should never regulate anything again."
Good god, this is pathetic. Do you financially gain from AI or do you think it's hard to prove someone didn't use it? Like this is the bare minimum and you're throwing temper tantrums...
The onus will be on the AI companies pushing these wares to follow regulations. If it makes it harder for the end user to use these wares, well too bad so sad.
>"One regulation was kinda bad, so we should never regulate anything again."
Please don't misrepresent what someone says. That does not lead to constructive dialog.
I gave a question challenging a specific way to regulate a specific thing, to indicate it is challenging. This is not the same as dismissing all regulations.
Also, please avoid the personal mentions.
>The onus will be on the AI companies pushing these wares to follow regulations.
That wasn't the challenge. The raised issue isn't AI companies labeling things AI. The given example included them very much following the regulation.
I always found most explanations of Toyota's Power Split Device too abstract, until I found this page where you can play with the sliders to see how the power is actually split between the ICE and the MG1/MG2 electric generators: https://eahart.com/prius/psd/
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