Kerryn Boogaard Kerryn Boogaard
Beverly Goldsmith Beverly Goldsmith
Zoe Bingley-Pullin Zoe Bingley-Pullin

Beware ‘new car smell’:

We tend to inhale the 'new car smell', but a horse-and-buggy might be a better option.
By Dr Charles
Date: August 17 2013
Tags: car,
Editor Rating:

As I shopped for a new car last year, I realised that my priorities were considered odd by most car salesmen.

The three most important characteristics I desired in a new car were good mileage, good crash safety, and relatively low concentrations of “new car smells.” The often-celebrated (but particularly noxious) new car smell is actually a synthetic blend of respiratory irritants and potential carcinogens off-gassing from the plastic, glues, and seating materials found inside the car.

One year later I am happy I chose my car from one of the top five lowest emitting models.

Testing of car interiors has revealed the presence of volatile organic compounds, (including formaldehyde, toluene, and benzene) polybrominated diphenyl ethers (PBDEs) which are used as flame retardants, and phthalic acid esters (phthalates). These chemicals and substance are known to exacerbate respiratory illnesses, produce nose and throat irritation, cause headaches, and even irritate the skin. Exposure may even increase the risk of cancer, endocrine system disruption, and neurological problems.

The best cars of 2011-12 in terms of low levels of hazardous chemicals, according to testing from The Ecology Centre in the US (and also available in Australia) include the:

  • Honda Civic
  • Toyota Prius
  • Honda CR-Z
  • Audi S5, and
  • Smart Coupe.

The full list of car rankings is worth reviewing.  

Not listed - but supremely admirable - is the Amish horse-powered buggy.

Some advise driving with the windows cracked to improve air quality. While this would certainly reduce the ambient concentration of chemicals released from the car interior, I worry that driving on busy multi-lane highways with the windows wide open trades poor quality interior air for poor quality exterior air.

In order to achieve the best air quality, perhaps some variation of this crazy yet deliberate plan might help.

1.  Purchase a car that scores well in terms of the safety of its materials.  

2.  Ventilate the car well in the morning.  

3.  Then close the windows and run the AC with recirculated/filtered air while on the motorway, thereby decreasing particulates and combustion products inhaled from outdoors.

4.  Park and leave the car windows cracked open all day, especially in summer.

5.  On the way home repeat this sequence ... being careful to disengage emotionally from the many provocations of aggressive drivers, who incidentally remind us of brain-starved, half-human zombies.

Good luck with your own paranoid routine, but do consider that new car smell when you purchase your next vehicle. It definitely gives me a headache!

* * *

This blog first appeared at Dr Charles Examining Room blog.

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