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Nissan has demonstrated a new automotive paint that can drastically cool a vehicle parked in direct sunshine | Tests have shown that treated cars stay up to 21.6 °F (12 °C) cooler than untreated cars parked side by side.

Nissan has demonstrated a new automotive paint that can drastically cool a vehicle parked in direct sunshine. Tests have shown that treated cars stay up to 21.6 °F (12 °C) cooler than untreated cars parked side by side.

One efficiently reflects near-infrared wavelengths of light, reducing the amount of heat generated in the resin of regular paint. The second particle creates “electromagnetic waves,” Nissan says, which redirect more energy away from the vehicle and vent it directly into space, as seen in other radiative cooling technologies. Ultimately, the goal is to develop a version that can not only cool vehicles but can have a clear topcoat, be applied from a spray gun, and ideally even be available in other colors besides white.

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