This is because the substance artificially reproduces a process known as radiative cooling on the painted surface. A typical example of radiative cooling is a phenomenon where the ground releases heat to cool off.

Nissan worked with the Chinese enterprise Radi-Cool as it specializes in the creation of radiative cooling technologies and materials.

(...)

However, one obstacle remains: the paint is six times thicker than the usual coating on the car body surface. The substance is also more expensive, which would add to the total cost of a new vehicle.

That, in turn, makes it difficult for the coating material to be utilized for mass-produced passenger automobiles.

For this reason, Nissan is looking to commercialize the paint on ambulances and other specialized vehicles as the first step.

It's staggering to me the number of black cars being sold in hot countries like Australia. Not to mention just how hard they are to see against the background of a bitumen road.

If it's like this stuff then it's more than just white paint.

Or 53.6 degrees Fahrenheit if you believe whoever wrote the page for Nissan lmao. I guess they just typed it into a converter with no context, and the converter spat out an answer amounting to "if your thermometer says it's 12 degrees C, that would be 53.6 degrees F"... but without that context.

What kind of garbage article doesn’t include the units!?

What for? Almost no country uses Fahrenheit.

trick is to paint the windows

To add to your comment, ceramic window tint is a night and day difference. My steering wheel, shifter, and all couldn't be touched after work. I wore driving gloves to get home. With the tint there slightly warm and the AC doesn't take half the drive to catch up, the car is cool by the first stop light.

Maybe they should sell cars with that by default instead?

I would argue that the new paint could help alleviate the issue, since it would incentivise people to decrease use of the AC. My concern then would be how polluting is the production of the new paint compared to the current version.

Ah yes. Why reduce the temperature of your car by 12 degrees when you can just alter the entire planet instead.

I will assume celsius since the IR image shows around 45 and 35 degrees in direct sunlight.

°C, which is not bad. Official press release (I think): https://global.nissannews.com/en/releases/nissan-trialing-cool-paint-technology

Considering it's no an American brand I'd say Celsius

No, only Nissans. It says right there.

This might match your criteria:

(Jokes aside, I do agree with your sentiment)

As someone who used to live there, I'll say that Wisconsin's reputation is mostly trash based specifically on their winters