The future is dense, walkable cities.

Capitalism isn't going anywhere, so the nature of the beast will continue in a greener future. The life or death of the concept of 15 minute city is going to depend entirely on the invisible hand of capitalism. It's going to depend on millions of people making the decision that their reliance on personal automobiles (gas or EV) has a higher cost to benefit ratio than electing to walk or use public transportation. At the macro level, people have mobility and if they prefer their car to the 15 minute city, they'll just relocate. The challenge to those advocating the 15 minute city is to create such a city so that the average person says "yeah, that is exactly where I want to live and thrive".
We already know people love walkable cities, because most vacation destinations are walkable. People can afford car suburbs only because they're heavily subsidized by the government. If suburban drivers had to bear the real cost of their transit choices, they'd vote with their wallets and move someplace where it's cheaper to get around.
 
Fossil fuels are used to build and maintain the grid. The easy low energy mining has been done, so extracting minerals from less accessible places will cost more energy. And then there's trying to make advanced electronic parts with the smaller amounts of renewable energy. After a storm knocks down some wires, repair crews arriving on horse drawn wagons with hand tools won't have the same repair speed of today's crews with trucks and power tools. Most of the nation's grid is old and barely maintained now.

Lol, okay. So it’s beyond you. ✅

One of PG&E’s problems they stated in the report is how the grid has grown very little over the past several decades and is in need, not only of expansion, but also replacement of a lot of the existing infrastructure.

Electrical emergency equipment will have alternate sources of charging, just like how hospitals have alternate sources of energy in emergency situations.

Also, micro-grids make it so a failure or shutdown is a localized problem, not regional, so areas affected by outages will not be far from places that still have power.
 
Fossil fuels are used to build and maintain the grid. The easy low energy mining has been done, so extracting minerals from less accessible places will cost more energy. And then there's trying to make advanced electronic parts with the smaller amounts of renewable energy. After a storm knocks down some wires, repair crews arriving on horse drawn wagons with hand tools won't have the same repair speed of today's crews with trucks and power tools. Most of the nation's grid is old and barely maintained now.

Also, did you know that a lot of modern mining equipment is electric? Especially anything subterranean because:
* no toxic emissions
* no need for combustion air
* no need for filtering engine air intake
* cooler operation
* higher torque
* more efficient use of energy
* less maintenance
 
Out of sheer curiosity, does anyone not have a car? (Relying primarily on public transit)

Just speaking for my urban world - Santa Clara Valley Transit Authority, California - public transit takes easily three or four times as long to get anywhere, unless everything is on schedule and you time it perfectly, then it only takes twice as long.
I don't. But not by choice, it was totaled in a car wreck. I don't use our shit city buses, I ride a bicycle, or if I'm lucky I can borrow one of my moms SUVs. I hate relying on my bike, honestly.
 
Look at most buildings designed before the 1950s. You'll find they are not solid blocks, but rather have many open areas in the center sections. This was so people could open windows and allow air to vent naturally. Warm air rising and all ...

There were a number of reasons they got away from that, but the biggest one was the advent of HVAC systems.

I still use the old way. I open windows upstairs and let warm air rise up and out. I open ground floor windows and doors at night when it's cool to let as much in as possible. Then I close them around 8AM to keep as much in as possible during the warmer day time. Even on 90+ degree dfays, I can avoid using AC until well after noon. Doing that lets me limit AC use to just a few hours a day in the late afternoon and early evening.
My apartment complex was built[at least finished or started] in 1960. Doesn't have HVAC, has radiators and they give you a window a/c, which I rigged up in the kitchen as an exhaust fan. I do what you do, open windows. Paired with the giant oak in the front yard, even if it is hot, it's gonna be hotter outside- not that I mind, anyway, how hot it is. It actually seemed to konk out last time I tried to use it. I need to have them come and get it. I don't even want one unless it doubles as a heater- then I'll have use for one.
 
OK, so you bought PG&E's latest batch of PR.

That still does not respond to my point about high-priced urban electricity markets trashing pass-through states to support urban growth.

I don't believe that the holy hand of the free market is going to solve the climate crisis, no matter how they greenwash their PR campaigns.

Yes, there are many more problems to address, the report I read was an internal document, not a public facing puff piece.

They highlighted over fifty issues that need addressing for a variety of reasons, giving order to priorities.

Grid stability was number one, then safety, then carbon neutrality (because of how climate change contributes to most of the other problems) then pricing, then many more I don’t remember off the top of my head.

A friend from an industry R&D network shared the document with me. The version I read is not available to the public.
 
Most of this is pathetic bullshit.

Renewable energy is better all the way around except for those who rely on their business in fossil fuels. There is no downside to making renewables the status quo. And yes, it will take time to develop new technologies that make it more effective and sustainable.

That's not a absolute stop sign to going that direction.....it just means we need to focus more in R&D
The land it can take up.
 
Something the US has in abundance
I don't really see it that way. We as people don't need to own every square mile of land. Let nature have some. Most of it, honestly. Just like this density talk. I might like living in the city, but something like Courescant is not a place I'd like to live, even with the repulsor crafts.
 
I don't really see it that way. We as people don't need to own every square mile of land. Let nature have some. Most of it, honestly. Just like this density talk. I might like living in the city, but something like Courescant is not a place I'd like to live, even with the repulsor crafts.
So you're not debating that there is land in abundance.

Got it.
 
Some will. Some people drive because they have to. I know people who own cars and only use them for certain things and prefer bicycle.
If you're lucky, you reach an age with conditions that put a bicycle and even walking or getting to and managing at a bus stop--and especially the concept of returning with a week's groceries--out of the realm of possibility.
 
Do renewables use as much land as the petroleum industry?
Depends. I've seen large solar farms and I think wind farms are even bigger. Oil fields take up acres, so does strip mining, at least the miners replace what they take. Really, solar farms can be in the city itself.
 
Out of sheer curiosity, does anyone not have a car? (Relying primarily on public transit)

Just speaking for my urban world - Santa Clara Valley Transit Authority, California - public transit takes easily three or four times as long to get anywhere, unless everything is on schedule and you time it perfectly, then it only takes twice as long.
I have a car that I drive once a week to go to the grocery store. I would happily trade it for an electric cargo bike if there were more protected bike lanes in my neighborhood. Most of my errands I do by walking.

When I go downtown for work, I ride the train. Driving downtown in LA traffic would take hours. With the train it's about 30 minutes.
 
Depends. I've seen large solar farms and I think wind farms are even bigger. Oil fields take up acres, so does strip mining, at least the miners replace what they take. Really, solar farms can be in the city itself.

Parking lots and shade structures are perfect for solar 👍
 
372 miles doesn't work for me. It would mean stopping twice to charge on a trip back to Wisconsin. Now I stop once for gas. As as soon as an EV can match my Subaru mile for mile full tank to full charge I may think about an EV.
Fair point,but how often do you actually make the trip?
I'm actually more in favor of hydrogen EVs than battery EVs.
So am I.
So you support maintaining oil based fuel for specialty vehicles. Compromise?
Oil's not going anywhere for i'd say 100 years, maybe longer, until it runs out even. The point isn't to end the use of petroleum. It's to grab the low hanging fruit, which is really personal vehicles and where possible public transportation.
Good for you, and Yay! They don't work for me and many others.
Then I won't hear you bitching about how much it costs to fill up, right?

Synthetic diesel is a reality and so is ethanol based fuels have been used elsewhere successfully. Brazil is an example of where ethanol based fuel is used for automobiles and small trucks.
I make bio-diesel for my farm tractor and backhoe. Diesel engines were designed to run on peanut oil. Ethanol is a waste of time, and effort IMHO. Lower fuel mileage, harder on the fuel system and it needs subsidies still to keep the cost down.
 
Oh, and micro-grids won't make the grid go away. The micro-grid is all about giving more finite point control over the distribution of electricity, not about making the macro-grid go away. It gives the energy companies more control, not less control. Long live the micro-grid.
What? Maybe expand on that. Normally you make good sense, but not here.
 
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