Cars and humans! What are the only two things that the two share in common? Well, apart from the fact that the two need each other if they are to run on high speed on the road!?

new car study heat waves in car
©National Weather Service / Weather GOV


The answer may well be surprising. But for now, allow yourself to be taken aback by a complete sense of shock.

A new car study has actually come up with something that could be called rather surprising, for the finding bears a slight resemblance to the human condition. Now what this may actually open a can of questions, all nonetheless, point to a surprising development.

Apparently, a cohesive study conducted by the revered Postgraduate Institute of Medical Education and Research, based in Chandigarh suggests that there’s a parallel between the human body and that of a car.

Wondering how is that? It’s common for us humans to suffer from blood pressure, and in severe cases, strokes or heat strokes. Right? Well, guess what? Yes, you thought about it and that’s true.

While the purpose of the study was to find out the extent of the thermal temperature inside the car (the degree of warmth that people can regard as comfort), the findings suggested that the temperature on the inside could reach upto 65 degree celcius.

The research, conducted in Chandigarh, the capital city of the state of Punjab in India, also studied sedans and sports utility vehicles in its purpose of arriving at a wholesome finding.

A report published in the revered Indian national daily The Hindu shared the following, elaborating on the study:

The predicted mean vote (PMV) was observed to be worst for Sedan for both front…the Percentage of Persons Dissatisfied (PPD) was observed to be 100% in all cases, showing dissatisfaction for all car models. The concentration of carbon dioxide and carbon monoxide ranged between 113-1127 ppm and 0–3.9 ppm, respectively, for the front of the car,” the authors Ravindra Khaiwal, Neha Agrawal and Suman Mor, note in their paper. The PMV and the PPD are metrics to measure thermal comfort.

“Understanding how thermal comfort varies during extremely hot and cold conditions in the micro-environment of a car could help auto industries improve thermal comfort and minimise the associated health risks,” Mr. Khaiwal told The Hindu. “This could mean designing new materials that absorb heat better, or improving the air flow system in vehicles.”

Now that being said, there’s also an important aspect of role-play between the temperature on the insides of the car and the vehicle’s car. Surely, the whiter the car or the lighter its shade, the better it is.

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On the other hand, the black colour has also been linked to higher thermal temperature, one that may not be deemed sufficiently comfortable by the passengers. This was truer for the case of the sedans that were studied by the aforementioned research body.

Additionally, the ambient conditions inside the car also play a role in determining the car’s higher temperatures. The measurements showed that the front of the car showed a higher maximum temperature than the back, while relative humidity was observed to be lower in the front than the back for all models. The temperature recorded in Sedan was higher than in SUV and in Hatchback.

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