| Some love it and some hate it, but few know what causes it. "New car smell" is a familiar scent to anyone who's ever sat in a car fresh from the lot, and many consider it an olfactory perk of the car-shopping experience. This distinctive aroma is caused by a chemical process known as off-gassing, which is just what it sounds like: chemicals being released into the air from all that leather, plastic, and various other interior materials. Many of these are volatile organic compounds (VOCs) such as formaldehyde and benzene, which release a potent scent. If that sounds mildly unsettling, some researchers agree — VOCs can potentially cause eye or nose irritation, though the chemicals likely aren't released in volumes high enough to do much more than that. Anyone who'd prefer to err on the safe side — or who simply has an aversion to the smell — can accelerate the off-gassing process by rolling down their windows or ensuring their air conditioner is sourcing air from outside the car. Those who'd rather immerse themselves in the aroma long after their car is new, meanwhile, can always invest in air fresheners meant to emulate the scent. | 
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