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That’s interesting-didn’t know they had that commitment

This article has a good breakdown of the product development added in the contract. Even if they had a better engine for this application, they have agreed to keep the Pentastar around so the consumer will continue to see it for a few more years. For emissions reasons, it probably makes more sense for them to stick it in the EREV (where emissions would be minimized due to the mainly electric powertrain) while putting more efficient new engines in conventional vehicles.

 
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I know it says there are no cars that can use the 600kW charging in the US as of now, obviously it's still good to future proof. My question that I don't know the answer to, is if you have 600kW chargers like this that for the time being will never max out, will that help with reliability versus a say 250kW charger that might be maxed out every day by certain cars or would that not matter?
 
I know it says there are no cars that can use the 600kW charging in the US as of now, obviously it's still good to future proof. My question that I don't know the answer to, is if you have 600kW chargers like this that for the time being will never max out, will that help with reliability versus a say 250kW charger that might be maxed out every day by certain cars or would that not matter?
I'm not an expert in this but I have helped test new charging stations coming online and have spoken with the electricians and engineers at those sites about how it all works.

Essentially no, that would not really help with reliability and would likely just make everything more expensive and difficult (getting the grid connection would become even harder than it is currently).

The way most modern chargers seem to work is they have rack-mounted modules that handle the AC-DC conversion and that for a 180KW charger for example, they'll use three 60 kW modules. That means if one of the modules dies for whatever reason the charger can still deliver 120 KW (180 - 60). I've seen this happen in real life and the charger just de-rates to 120 KW instead of failing completely.

To add more 'speed' they just add more modules to a given charging post. So while going up to 600KW would mean that they would have 10 modules (60 kW x 10), it won't necessarily increase reliability. Yes there are more modules so there will be more redundancy that way so it's less likely to go offline completely (because it would take a lot to go through all 10 modules) but realistically there are more modules to fail too so it it could just always be de-rated.

The main issue with improving reliability is that a lot of companies get subsidies for building out the infrastructure but don't get money to actually maintain it. So they get funding to build out a bunch of chargers but then can't afford to keep them online for whatever reason. Unreliability isn't necessarily a technology issue, it's a corporate management and culture issue. If spare parts are always on hand and the required crews are nearby there's no reason for a charging network to be unreliable. Whether they're 50kW or 600KW chargers almost doesn't matter if the company running them isn't maintaining them properly.
 
Interesting, I didn't know that's how they worked in terms of modules. I guess on the plus side with those like you say, you could have a few go out and still get good charging speeds. I agree with the maintenance though, while more chargers are needed across the US and Canada, outside of high use areas like certain parts of CA for example, if the existing infrastructure all worked flawlessly and every charging station was up and running at full speed it would solve a lot of charging issues people have today.
 

Smells like another Stellantis Fail!

“No matter the price, all Grand Wagoneers will come with Stellantis’ new three-liter “Hurricane” twin-turbo six-cylinder engine, with one exception. Jeep is, for the first time, offering a range-extended powertrain for the Grand Wagoneers at a later availability, though the brand has not yet announced how much it will cost.”

Kinda says it all. They can’t say how much it will cost, because it’s fake. Same reason they are saying it’s available at a later time. And it has no frunk because of the massive v6.
 
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I'm not an expert in this but I have helped test new charging stations coming online and have spoken with the electricians and engineers at those sites about how it all works.

Essentially no, that would not really help with reliability and would likely just make everything more expensive and difficult (getting the grid connection would become even harder than it is currently).

The way most modern chargers seem to work is they have rack-mounted modules that handle the AC-DC conversion and that for a 180KW charger for example, they'll use three 60 kW modules. That means if one of the modules dies for whatever reason the charger can still deliver 120 KW (180 - 60). I've seen this happen in real life and the charger just de-rates to 120 KW instead of failing completely.

To add more 'speed' they just add more modules to a given charging post. So while going up to 600KW would mean that they would have 10 modules (60 kW x 10), it won't necessarily increase reliability. Yes there are more modules so there will be more redundancy that way so it's less likely to go offline completely (because it would take a lot to go through all 10 modules) but realistically there are more modules to fail too so it it could just always be de-rated.

The main issue with improving reliability is that a lot of companies get subsidies for building out the infrastructure but don't get money to actually maintain it. So they get funding to build out a bunch of chargers but then can't afford to keep them online for whatever reason. Unreliability isn't necessarily a technology issue, it's a corporate management and culture issue. If spare parts are always on hand and the required crews are nearby there's no reason for a charging network to be unreliable. Whether they're 50kW or 600KW chargers almost doesn't matter if the company running them isn't maintaining them properly.
Thanks for your insight. Love learning all this new stuff about EVs.
 
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I'm not an expert in this but I have helped test new charging stations coming online and have spoken with the electricians and engineers at those sites about how it all works.

Essentially no, that would not really help with reliability and would likely just make everything more expensive and difficult (getting the grid connection would become even harder than it is currently).

The way most modern chargers seem to work is they have rack-mounted modules that handle the AC-DC conversion and that for a 180KW charger for example, they'll use three 60 kW modules. That means if one of the modules dies for whatever reason the charger can still deliver 120 KW (180 - 60). I've seen this happen in real life and the charger just de-rates to 120 KW instead of failing completely.

To add more 'speed' they just add more modules to a given charging post. So while going up to 600KW would mean that they would have 10 modules (60 kW x 10), it won't necessarily increase reliability. Yes there are more modules so there will be more redundancy that way so it's less likely to go offline completely (because it would take a lot to go through all 10 modules) but realistically there are more modules to fail too so it it could just always be de-rated.

The main issue with improving reliability is that a lot of companies get subsidies for building out the infrastructure but don't get money to actually maintain it. So they get funding to build out a bunch of chargers but then can't afford to keep them online for whatever reason. Unreliability isn't necessarily a technology issue, it's a corporate management and culture issue. If spare parts are always on hand and the required crews are nearby there's no reason for a charging network to be unreliable. Whether they're 50kW or 600KW chargers almost doesn't matter if the company running them isn't maintaining them properly.
I believe the new ChargePoints are going to be a slightly different design (larger individual modules, fewer modules to get to 600 kW). But overall this, as described, is one of the biggest issues with reliability.

Another is that higher amperage means higher heat generation, which means lower reliability if that heat isn’t removed from the electronics.
 

“These cars really haven't had enough time to be trained on how to manage flooding that happened as fast as this did," Maynard said. "We like to think of them as sort of being the equivalent of human drivers. But they're not. People are trained to adapt to very unique situations. These cars are trained to deal with what they know.
And of course, when you're presented with a flooded road, the sensors on these cars simply cannot tell whether that's just surface rain or whether it's three feet deep. So of course, they're going to be confused. They can't see under the water.”
 
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“These cars really haven't had enough time to be trained on how to manage flooding that happened as fast as this did," Maynard said. "We like to think of them as sort of being the equivalent of human drivers. But they're not. People are trained to adapt to very unique situations. These cars are trained to deal with what they know.
And of course, when you're presented with a flooded road, the sensors on these cars simply cannot tell whether that's just surface rain or whether it's three feet deep. So of course, they're going to be confused. They can't see under the water.”
Another reason I do t like autonomous
 
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Another reason I do t like autonomous
Humans aren't any better when it comes to driving through high water. Back when I lived in Texas, anytime there were heavy rains you'd see or hear about people getting stranded from driving through high water. Actually had a family member in Texas do this very thing and he was a very intelligent person. It's gotten so bad they actually have official ad campaigns for it.
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Here's the thing, you will never convince 100% of human drivers to turn around don't drown, however you can do that with 100% of Waymos. I have no doubt they're working on that problem right now and, like other variables they've dealt with in the past, you won't hear about this happening in the not to distant future.
 
Humans aren't any better when it comes to driving through high water. Back when I lived in Texas, anytime there were heavy rains you'd see or hear about people getting stranded from driving through high water. Actually had a family member in Texas do this very thing and he was a very intelligent person. It's gotten so bad they actually have official ad campaigns for it.
View attachment 10038
Here's the thing, you will never convince 100% of human drivers to turn around don't drown, however you can do that with 100% of Waymos. I have no doubt they're working on that problem right now and, like other variables they've dealt with in the past, you won't hear about this happening in the not to distant future.
Tucson has an ordinance that requires rescuees to pay for rescues if they passed a sign that warned of flooded roads.

That said, the issue is less about the stupidity of humans—of which we have an endless supply—and more about the unpredictability of automated driving. A human making the decision to drive into the flooded road is responsible for that decision. Who is responsible if an autonomous car decides to drive into a flooded road? What is a passenger to do when a Waymo starts to enter a flooded area? What is a passenger to do when an automated taxi decides to just stop? A person in their own car can turn around and go somewhere else. If they’re in an automated taxi, they’re either stuck in the car or have to get out and walk, neither of which may be safe during flash flood conditions.