WTF Fun Fact 13701 – What’s in That New Car Smell?

The distinctive “new car smell” that many people associate with freshness and success is actually the result of a complex cocktail of chemicals, a byproduct of the manufacturing process. While often perceived as a sign of luxury and cleanliness, this iconic scent can have potential health implications, raising concerns among health experts and consumers alike.

The Composition of New Car Smell

The smell emanating from a new car’s interior is not a single scent but a combination of volatile organic compounds (VOCs) released from various materials. These compounds come from plastics, adhesives, upholstery, and other synthetic materials used in car manufacturing. As these components off-gas, they release VOCs into the car’s interior air space, creating what is commonly referred to as the new car smell.

Exposure to certain VOCs can have health implications, ranging from mild to severe. Short-term exposure to high levels of VOCs can cause headaches, dizziness, nausea, and irritation of the eyes, nose, and throat.

Long-term exposure, although less common in the context of new car smell, can have more serious health effects, including damage to the liver, kidney, and central nervous system. Some VOCs found in new car interiors have also been linked to cancer in animal studies, though the risk to humans from new car exposure remains a subject of ongoing research.

Regulatory and Industry Responses

Awareness of the potential health risks associated with smell has led to increased scrutiny by health organizations and regulatory bodies. In response, some car manufacturers have begun to modify their production processes to reduce the concentration of harmful VOCs in their vehicles. This includes selecting materials that emit fewer VOCs and implementing manufacturing practices designed to minimize chemical exposure.

Despite these efforts, the transition is gradual, and many new cars still emit a cocktail of VOCs that contribute to the iconic smell.

Consumer Awareness and Safety Tips

Consumer awareness is key to mitigating the potential risks associated with new car smell. Ventilating the vehicle by keeping windows open when possible, especially during the first few months of ownership, can help disperse VOCs more quickly.

Parking in the shade and using sunshades can also reduce the interior temperature and slow the off-gassing process. For those particularly concerned about chemical exposure, selecting a vehicle with lower VOC emissions or opting for used cars that have already off-gassed can be a safer choice.

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Source: “The Science of the New-Car Smell” — Car & Driver


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