• 0 Posts
  • 25 Comments
Joined 1 year ago
cake
Cake day: August 2nd, 2023

help-circle




  • Loads of people love to pretend an NPP is just a hut with a magic gem inside delivering an endless amount of power for free. In reality they are huge, highly complex, high-security facilities that take decades and billions to build and need to be operated and maintained by loads of highly trained staff in 24/7 shift operations. This isn’t to downplay their merit of providing CO2 emission free power, but for the love of god please appreciate the enormous effort and expense this is achieved with, especially when comparing it to renewables.





  • Coming straight from “unless 100% of people abstain 100% I’m not calling it change”-folks. There’s significant shifts in both of these issues. Meat more so, or leading ahead compared to cars, but the fact that some people aren’t going to drop one or either doesn’t change anything about that.

    So maybe efforts to reduce the impact of those kinds of things aren’t necessarily wasted.

    Not only are they not wasted, they are absolutely necessary. What’s important to understand is, however, that large parts of the negative impact of cars aren’t affected by EVs at all. It’s not just internal combustion engine exhaust pollution, it’s the waste of space, gigatons of asphalt for roads and parking, microplastics from rubber tires driven endless miles by a billion people, traffic congestions and the never-ending demand for another lane to fix them, ““cities”” sprawling out so far that everything is too far to get to by any means other than driving, pedestrian (if such a thing even still exists in your neck of the woods) safety, noise, socioeconomic factors such as the high upkeep costs vs low-income population who are reliant on a car in a car dependant world, …

    We have to transition to EVs either way, but it’s not going to fix anything meaningful. And that’s just the neutral outlook, a real danger we’re facing is that through car manufacturers’ greenwashing that is already in full swing, we coax ourselves to a good eco conscience over our no-emissions cars and continue growing the dependency, which would eventually increase the impact. The only real way of reducing the impact is by reducing cars and car dependency where it’s possible. And people are, very slowly, waking up to the fact that this is more often the case than they were led to believe by lobby driven media and politics of the last 60 years.






  • And what is the problem with a gas hybrid heat pump? It’s an ideal solution for places that get very cold, use the gas furnace for the weeks when it’s below -5 and use the heat pump for many months around that. It’s one of the most efficient ways to use a heat pump as you don’t have to bully it through the coldest part of winter with very bad COPs, you’re only using it when it’s most efficient. And when your heating period is very long, that will only benefit your seasonal COP. So of course it’s more expensive than a simple furnace, but it will also save loads of energy and redeem itself after 5-10 years.

    The best part about this is you already have an AC, aka a heat pump, but you don’t use it for heating?




  • Lightning doesn’t have near the capabilities of USB C. … pretty clear that USB C is superior.

    Are you talking about the capabilities of the USB protocol 3.x, or the mechanical design like I was? I don’t know a single property where the mechanical design of USB is superior to Lightning, but I’m ready to be enlightened.




  • People think that’s a killer argument against heat pumps when it absolutely isn’t.

    In that sort of climate you get a hybrid system or just leave your old furnace in as backup. You’ll use the furnace for the couple of days/weeks when it is below -25c/-13f and use the heat pump for the 6 months around that time window and save huge amounts of energy because you only use the heat pump when it’s most efficient. A hybrid system will improve efficiency because it combines the technologies at transition temps while just keeping the old furnace as backup is obviously much cheaper, since you can also get a smaller unit than you normally would because you don’t have to worry about the coldest period.