I mean, it's not about them not working, it's the efficiency. Most models will switch to a normal electric heater, if they can't extract anymore heat from the surroundings. At which temperature that happens, depends on your type of heat pump.
Sodis
If you are in a traffic jam, you lose range because of the heating. For gas cars, that doesn't matter at all.
Can we stop calling it the Nobel economics prize? It is not.
Well, for half a year it's fine, you won't get any direct sun there.
How about you take the study at hand and point out, where it is not well done?
Or you could use positive reinforcement instead of belittling your kids. You can explain, why stuff they did was wrong without calling them dumb. They are kids after all, they don't know stuff, have a lot to learn and it is hard for them to completely grasp the consequences of their actions.
There is an easy fix for quite some amount (60%) of the microplastics generated from tires: install a vacuum sucking the stuff in.
He got 4 kids in their 30s. Leaving them a world worth living in could be something worthwhile to pursue.
But they are taking away free speech!!! \s
There is an easy solution for this: Tax property instead of income.
That's why I said it depends on the type of the heat pump. Some can go really low, the cheaper ones not. At some point (the latest at -273.15C :D) they need to switch.